In your case, the hydrogen sulfate anion, "HSO"_4^(-), can act as a Bronsted-Lowry base and accept a proton to form sulfuric acid, "H"_2"SO"_4 overbrace("HSO"_ (4(aq))^(-))^(color(blue)("base")) + "H"_ ((aq))^(+) -> overbrace("H"_ 2"SO" _(4(aq)))^(color(darkgreen)("conjugate acid")) Notice that because you're adding a 1+ charge to a compound ...To form the conjugate base or conjugate acid of any species, we simply remove OR add a proton, H +. As for all chemical reactions, even these conceptual ones, we CONSERVE mass and charge. What do I mean by this? So the conjugate base of sulfuric acid, H 2SO4, is H SO− 4, and the conjugate base of bisulfate ion is SO2− 4.The conjugate base of HBr is the bromide ion , Br-. This answer is: Wiki User. ∙ 13y ago. Copy. Br^-. This answer is: Wiki User. ∙ 11y ago.Science. Chemistry. Chemistry questions and answers. (a) What is the conjugate acid of H2PO4-? enter formula: (b) What is the conjugate base of HSO4-? enter formula: (c) Identify the acid, base, conjugate acid, and conjugate base in the following reaction:OH- is a Brønsted-Lowry base because it accepts a proton (H+) from HSO4- to form H2O. SO42- is the conjugate base of HSO4-. It is formed when HSO4- loses a proton (H+). H2O is not involved in the acid-base reaction, but it is formed as a product. Therefore, the conjugate acid-base pairs are: HSO4- (acid) and SO42- (conjugate base)What is the formula for the conjugate base of HSO4-? What is the conjugate base of Express your answer as a chemical formula. What is the conjugate acid of Express your answer as a chemical formula. Among three bases, Give the formula of the conjugate base of HSO_4^-. Give the formula for the conjugate acid of HSO_4^-.This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: 3.) Give the formula for the conjugate base of each species: (a) H2S; (b) HCN; (c) HSO4−. (a) (b) (c) 3.) Give the formula for the conjugate base of each species: (a) H2S; (b) HCN; (c) HSO4−.The species H2O, HCO3^-, HSO4^- and NH3 can act both as Bronsted acids and bases. For each case give the corresponding conjugate acid and base. asked Feb 12, 2020 in Chemistry by SurajKumar ( 66.7k points)A: CONJUGATE ACID-BASE PAIR:- The conjugate acid-base pair is only differ by one proton(H+) in their… Q: What is Ka for the conjugate acid of CH₃NH₂ (Kb = 4.4 × 10⁻⁴)? A: Conjugate acid of any base is formed when the base accepts a proton i.e H+ ion.What is the conjugate base of HPO4^2-?The conjugate base of H 2 O is OH -1, which is the polyatomic ion hydroxide. When we remove a hydrogen ion (proton) from a conjugate acid, the result... See full answer below.Question: attempts left Check my work 2 Report problem Write the formula of the conjugate base of each acid: HBr, HSO4 , and CH3CH2CH2OH. Be sure to answer all parts. (Note: If a number has been placed as a subscript, the cursor needs to be returned to the main writing line before selecting the superscript.)The more stable the conjugate base, the easier deprotonation becomes, and thus the stronger the acid. In a $\ce{NO3^-}$ ion, the negative charge can delocalise among three O atoms, but in a $\ce{HSO4^-}$ ion, in addition to delocalisation among three O atoms, there is an additional OH group, which further stabilises the anion by inductive …Properties of HSO4-. Sodium Bisulfate (NaHS04) which is the pure substance starts melting at 185°C and begins to lose water and forms the hydrogen sulphate ion (HSO4). The structure is similar to that of methane. It is classified as a weak acid as it partially dissociates to form H+ and SO4^2-.An acid-base reaction is a special chemical reaction between two reactants that involves the transfer of a proton. The reaction involves a Bronsted-Lowry acid that donates a proton, usually in the form of H+, to a Bronsted-Lowry base. A conjugate acid and a conjugate base are formed after the reaction, with the former gaining an extra H ... the conjugate base of HSO4-. SO4 -2. the conjugate base of H2SO3. HSO3-. the conjugate base of H3PO4. H2PO4-. HF. F-. the conjugate base of CH3COOH.A conjugate acid is the product of a base gaining a proton, for example the conjugate acid of ammonia (NH3) is the ammonium ion (NH4+). IS HIO a strong acid? HSO4(-), hydrogen sulfate, is the ...Water is the acid that reacts with the base, \(\ce{HB^{+}}\) is the conjugate acid of the base \(\ce{B}\), and the hydroxide ion is the conjugate base of water. A strong base yields 100% (or very nearly so) of OH − and HB + when it reacts with water; Figure \(\PageIndex{1}\) lists several strong bases. A weak base yields a small proportion of ...Conjugate base. In a reaction of an acid in an aqueous solution, it loses a proton or Hydrogen ion. As the acid releases a proton or Hydrogen ion, it produces a compound that is one proton away or there is one Hydrogen atom difference from the chemical formula of the acid.When CH 3COOH is dissolved in water it gives H + to water and become CH 3COO −. CH 3COOH+H 2O⇋CH 3COO −+H−3O +. now this CH 3COO − is able to accept H + from H 3O +. So it is base but actually this base (CH 3COO −) is derived from an acid (CH 3COOH) that's why CH 3COO − is conjugate base of (CH 3COOH) acid.1) The conjugate base of HSO4- is A)H2SO4 B)SO42- C)H3SO4+ D)HSO4+ E)OH-2) The conjugate acid of HSO4- is A)H+ B)H2SO4 C)HSO4+ D)SO42- E)HSO3+ 3) The molar concentration of hydronium ion in pure water at 25eC is _____. A)7.00 B)1.0 ˛ 10-7 C)1.00 D)1.0 ˛ 10-14 E)0.00 4) The molar concentration of hydroxide ion in pure water at 25eC is _____.Stronger acids have weaker conjugate bases. 2. Compare HCl, NaOH, and NaCl: HCl is a stronger acid than water. NaCl is a weaker base than NaOH. Strong acids react with strong bases to form weaker acids and bases. 3. Compare NaOH, NH3, and H2O, and NH4Cl: NaOH is a stronger base than NH 3.In the Brønsted–Lowry definition of acids and bases, an acid is a proton (H⁺) donor, and a base is a proton acceptor. When a Brønsted–Lowry acid loses a proton, a conjugate base is formed. Similarly, when a Brønsted–Lowry base gains a proton, a conjugate acid is formed. A Brønsted–Lowry acid (or base) and its conjugate base (or ...What is the conjugate acid of each of the following? What is the conjugate base of each? HSO4− OpenStax™ is a registered trademark, which was not involved in the production of, …Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure.A table of pKa values for various organic and inorganic acids can be found in the references section.for parts 1 and 2 a) The weaker acid is b) Its conjugate base is c) The species that predominate at equilibrium are (two ...C. The PO43- represents the conjugate base of HPO42-. Conjugate bases are produced by the removal of hydrogen ions from the compound and hence option C is correct. D.The chemical formula PO42- is wrong as the phosphate group has a valency of -3 which is not satisfied hence option D is incorrect. E. The conjugate acid produced from HPO42- due …To find the conjugate base of a molecule, you just write the molecule with one less H atom than it previously had. (This also adds a negative charge to the molecule). This is because a conjugate base is formed when an acid loses a proton; therefore, the conjugate base of HSO4- is SO42-.An acid-base reaction is a special chemical reaction between two reactants that involves the transfer of a proton. The reaction involves a Bronsted-Lowry acid that donates a proton, usually in the form of H+, to a Bronsted-Lowry base. A conjugate acid and a conjugate base are formed after the reaction, with the former gaining an extra H ...Which of the following is the correct statement concerning the equation below? HSO4- + H2O > H3O+ + SO42- A) HSO4- is the Conjugate base of SO4- B) HSO4- is the Conjugate base of H3O+ C) H2O is the Conjugate base of HSO4- D) SO42- is the Conjugate base of HSO4-A: Introduction : We have to tell conjugate acid and conjugate base for HSO4-. Q: Fill in the missing chemical formulae in the tables below. acid HSO H₂SO4 HCIO, conjugate base 0 so²… A: Conjugate base + H+ ------> Conjugate acidWhat is the conjugate acid of HSO4-?Select all that apply. (1) The conjugate acid has one more H that its conjugate base. (2) The conjugate acid of a neutral base will have a charge of +1. In the reaction illustrated here, a proton is transferred from (A), which is the Bronsted (B), to (C), which acts as the Bronsted (D). In a Bronsted-Lowry acid-base reaction, the acid reacts to ...Chapter 10: Conjugate acids and bases. 5.0 (1 review) what is the conjugate base for HClO4. Click the card to flip 👆. what is the conjugate acid for ClO4^-. Click the card to flip 👆. 1 / 24.B This indicates that the H2PO3- is a base. Its conjugate acid would be H3PO3. The conjugate acid is the acid formed when you add a proton (H+) to a base. The conjugate base of H2PO3- would be HPO3-2. The conjugate base is the substance formed when a proton is removed from an acid.What is the conjugate base of HSO4−HSO4−? Expert Answer. Who are the experts? Experts are tested by Chegg as specialists in their subject area. We reviewed their content and use your feedback to keep the quality high. Step 1.D) HSO4+ E) H3SO4+ 4) The conjugate base of H2PO4- is _____. A) PO43-B) H2PO4. C) H3PO4. D) HPO42-E) none of the above. 5) The conjugate acid of HSO4- is _____. A) SO42-B) H2SO4. C) HSO4+ D) H+. E) HSO3+ 6) The conjugate acid of CH3NH2 is _____. A) CH3NH2. B) CH3NH3+ C) CH3NH2+ D) CH3NH+ E) none of the above. 7) What is the conjugate base of OH ...This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: 1 attempts left Check my work Write the formula of the conjugate base of each acid: HF, HSO4 , and CH3CH2OH. Be sure to answer all parts. HF - F HSO4 → so, CH3CH2OH → CH,CH,TABLE OF CONJUGATE ACID-BASE PAIRS Acid HClO 4 H2SO4 HCl HNO 3 H 3O+ H2CrO4 H 2C 2O (oxalic acid) 4 [H 2SO 3] = SO 2(aq) + H 2O HSO4 – H3PO4 Fe(H 2O) 3+ 6 H 2C 8H 4O (o–phthalic acid) 4 H2C4H4O6 (tartaric acid) Hg(H 2+ 2O) 6 2+ Sn(H 2O) …OH + H20. Deprotonate the most acidic hydrogen and draw the conjugate base. The conjugate base is relatively stable due to delocalization. Draw the better contributing structure of the conjugate base. OH + H20. BUY. Organic Chemistry: A Guided Inquiry. 2nd Edition. ISBN: 9780618974122.What is the conjugate base of HSO4-?Acid base pairs differing ONE proton (H+) are called conjugate acid-base pair.Examples:H3O+ and H2OH2O and OH-NH4+ and NH3HBr and Br-HNO2 and NO2-H2SO4 and HSO4-HSO4- and SO42-HOCl and OCl-(In ...Web the conjugate acid of hso4 is h2so4. ... Express your answer as a chemical formula. Graph with numbers golf dog leg carmass what is the square root of 41 ...Science. Chemistry. Chemistry questions and answers. 23) What is the conjugate base of HSO4-? D) sO42- B) H2sO3 C) OH A) H2so4 24) When acids and bases react the product other than water is a A) hydronium ion. B) metal. C) salt. D) hydroxide ion. E) hydrogen ion.Solution for Write the formula for the conjugate acid of each base.a. NH3 b. ClO4- c. HSO4- d. CO32 - Skip to main content . close. Start your trial now! First week only $4.99! ... Write the formula for the conjugate acid of each base. a. NH3 b. ClO4- c. HSO4- d. CO32 - Expert Solution. Trending now This is a popular solution! Step by step ...Write the formula for the conjugate base of HSO4-. What are the conjugate base and conjugate acid for HSO4- ? Give the formula of the conjugate base of HSO_4^- ..... Give the formula of the conjugate base of HSO_4^- ..... Write the formula for the conjugate acid of each base NH3. Express your answer as a chemical formula.For each species Determine whether it can act as an acid or a base Write the chemical reaction that would occur in water for each given species. Identify the conjugate acid (or conjugate base) for each reaction HClO2 CH3CH2COO- Analyze the solution shown below to determine whether it can serve as a buffer. If so. explain why it can. The conjugate base of H 2 O is OH -1, which is the polyatomic ion hydroxide. When we remove a hydrogen ion (proton) from a conjugate acid, the result... See full answer below.Transcribed Image Text: What is the conjugate base of HSO4? Select one: O a. SO 2- O b. OH- O c. H2SO4 O d. HSO+ O e. H,SO,+ Expert Solution. Trending now This is a popular solution! Step by step Solved in 2 steps with 2 images. See solution. Check out a sample Q&A here. Knowledge Booster.This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: 2. Write the formula for each of the following- a) the conjugate base of HSO4 b) the conjugate base of OH c) the conjugate acid of HSO4- d) the conjugate acid of OH.A: Conjugate base An acid donates a hydrogen ion to form its conjugate base Q: Identify the acid on the left and its conjugate base on the right in the following equations:… A: Acids are substances that are capable of donating a hydrogen ion and bases are substances that are…You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: Write the formula for the conjugate acid of each base. Part A NH3 Express your answer as a chemical expression. ΑΣΦ ? + NH, +H=NH, Submit Previous Answers Request Answer * Incorrect; Try Again; 2 attempts remaining Part B C104 Express ...Base: Conjugate acid: HS- HCO3- CO32- HPO42 -SO42-Write the formula for the conjugate base of HSO4-. Write the formula of the conjugate acid for SO42-. Express the answer as an ion. a) Write the formula of the conjugate base for acid HCl . b) Write the formula of the conjugate base for acid HClO3 . c) Write the formula of the conjugate base for acConjugate Acid-Base Pairs Ordered by Strength Acids Bases [strong] [weak] HClO 4 ClO 4 - H 2SO 4 HSO 4 - HCl Cl- HNO 3 NO 3 - H 3O + H 2O H 2C 2O 4 (oxalic acid) HC 2O 4 - [H 2SO 3] = SO 2(aq) + H 2O HSO 3 - HSO 4 - SO 4 2- HNO 2 NO 2Identify and label the Brønsted-Lowry acid, its conjugate base, the Brønsted-Lowry base, and its conjugate acid in each of the following equations:H2SO4 + Cl...Final answer. Write the formula of the conjugate base of each acid: HCl, HPO_4^2-, and CH_3CH_2CH_2OH. HCl rightarrow HPO_4^2- rightarrow CH_3CH_2CH_2OH rightarrow.The conjugate of H 2 SO 4 are detailed below: When Sulphuric acid as an acid reacts with water as a base then this reaction forms the conjugate acid and base. H 2 SO 4 ( aq) + H 2 O ( l) ⇌ H 3 O + ( aq) + HSO 4 - ( aq) Acid Base Conjugate acid Conjugate base. Conjugate acid: In the above acid-base reaction, there is the transfer of one proton ... Write equations that show NH3 as both a conjugate acid and a conjugate base. Write the formula of each of the following. a. conjugate base of NH4+ b. conjugate acid of OH c. conjugate base of H2S d. conjugate acid of NO2. Solution 1 has [ H+ ]=1.7102 M. Solution 2 has [ H+ ]=4.3104M.This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: Give the formula for the conjugate base of each acid. a. HNO2 b. NH4+ c. H202l.HSO₄⁻ + OH⁻ → SO₄²⁻ + H₂O. which is correct about conjugate acid – base pair · Options. (a) HSO₄⁻ is conjugate acid of base SO₄²⁻ (b) SO₄²⁻ is conjugate acid of ...A more general definition is that a conjugate base is the base member, X -, of a pair of compounds that transform into each other by gaining or losing a proton. The conjugate base is able to gain or absorb a proton in a chemical reaction. The conjugate acid donates the proton or hydrogen in the reaction. In an acid-base reaction, the chemical ...a substance that donates a proton to another substance. Bronsted-Lowry base definition. a substance that accepts a proton. Water is a ---- or -----. Acid, base so we say it is amphoteric. conjugate acid. forms when a base gains a proton. conjugate base. the particle that remains when an acid has donated a hydrogen ion.$\begingroup$ In analytical chemistry books, $\ce{SrSO4}$ is said to be soluble in boiling concentrated $\ce{HCl}$ and $\ce{HNO3}$ solutions. On the other hand, $\ce{BaSO4}$ is said to be soluble in concentrated sulfuric acid, because of the formation of both $\ce{HSO4^-}$ ion and of the complex $\ce{H2[Ba(SO4)_2]}$, which is decomposed by dilution.Jun 27, 2016 · What is the conjugate acid and base of H S O− 4? Chemistry Acids and Bases Conjugate Acids and Conjugate Bases 1 Answer Stefan V. Jun 27, 2016 Here's what I got. Explanation: The thing to remember about conjugate acids is that they are the chemical species that is formed when a Bronsted-Lowry base accepts one proton, H+. Question: The bisulfate ion, HS04", has the ability to act as both an acid and a base What is the conjugate acid of HSO47 O H2SO4 O $0,2 O H2SO3 O SO2 What is the conjugate base of HSO4? O H2SO4 O SO O SO2 O H25208 . Help!! Show transcribed image text. Expert Answer. Who are the experts?SO4 2- and HSO4- is a conjugate acid base pair. SO4 2- is the conjugate base and HSO4 - is the conjugate acid. 2. Relative Strengths of Acids and Bases. For each of the following reactions, decide which species (reactants or products) are favored at the completion of the reaction. In other words, will the reactions go from left-to-right or ...what is the conjugate base for HSO4^- what is the conjugate acid for SO4^2- what is the conjugate base for H3PO4 what is the conjugate acid for H2PO4^- what is the conjugate base for C6H5CO2H what is the conjugate acid for C6H5CO2^- what is the conjugate …Simply remove H^+ from your base from your base formula; conserve mass and charge. The conjugate base of H_3PO_4, phosphoric acid, is H_2PO_4^-. The conjugate base of dihydrogen phosphate is HPO_4^(2-) …Dec 6, 2021 · The conjugate base of H2SO4 is HSO4- and this is because HSO4- if we consider the reverse reaction, HSO4- is a base and it would accept the proton to become H2SO4. so, its the conjugate base of H2SO4 and H2SO4 is the acid of HSO4- since it would donate H+ to become HSO4-. H2SO4/ HSO4- = acid/conjugate base H2O/H3O+ = base/ conjugate acid a substance that donates a proton to another substance. Bronsted-Lowry base definition. a substance that accepts a proton. Water is a ---- or -----. Acid, base so we say it is amphoteric. conjugate acid. forms when a base gains a proton. conjugate base. the particle that remains when an acid has donated a hydrogen ion.What is the conjugate acid of HSO4-? - Quora. Something went wrong. Wait a moment and try again.The conjugate base of HSO4- is A) HSO4+ B) H3SO4+ C) OH- D) H2SO4 E) SO42- Get the answers you need, now! ... A conjugate base is the species that remains after a proton (H⁺) is removed from an acid. In the case of HSO₄⁻ , it is a weak acid that can donate one proton to a base. Once it loses a proton, it becomes its conjugate base, which ...Now, coming to conjugate method, add $\ce{H+}$ to the structures and then try to compare stability by considering inductive effect ( phenyl group shows -I effect ). You can not use resonance effect for comparing because of reason already discussed in point 1, that is, -I effect will be maximum in the case of triphenyl then di phenyl then phenyl and …Study with Quizlet and memorize flashcards containing terms like Indicate whether each of the following statements is characteristic of an acid, a base, or both:, Write the formula of the conjugate base for acid HF. Express your answer as an ion., Write the formula of the conjugate base for acid H2O. Express your answer as an ion. and more.A: Since the conjugate acid is formed by adding a H+ to a base or conjugate base is formed by removing… Q: the acid Hydrocyanic acid 1- Draw structure of the acid and its conjugate base, use any available…H A and A −, are called conjugate-acid base pair, and only by the loss or gain of a proton, . The same principle applies to weak bases but does not apply to strong acids and bases. This is because their conjugates have almost no tendency to reaccept protons. H A ( a q) + H 2 O ( l) → H 3 O + ( a q) + A − ( a q)The strongest conjugate base is: Medium. View solution > Which one of the following is strongest conjugate base? Hard. View solution > View more. More From Chapter. Equilibrium. View chapter > Revise with Concepts. Arrhenius Theory of Acids and Bases. Example Definitions Formulaes.what is the conjugate base of h2so4?The conjugate acid of Hso4-? This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts.Answer true or false to the following statements about the mechanism of acid-base reactions. (a) The acid and base must encounter each other by a collision in order for the proton to transfer. (b) All collisions between acids and bases result in proton transfer. (c) During an acid-base reaction the lone pair on the base fills the A-H ... Verified by Toppr. Although it has a negative charge, it will never accept a h + to form H 2SO 4(sulfuric acid) . That is because sulfuric acid is a strong acid and completely disassociates in water. Therefore, the sulfate ion (SO 42−) is the conjugate base of HSO 4−. Was this answer helpful?When hydrochloric acid reacts with hydroxide ion, water and chloride ion are formed. In the equation for the reaction each acid-base pair has the same subscript. Acid 1 is HCl, its conjugate base is base 1; hydroxide ion is base 2, and its conjugate acid (water) is acid 2. Chloride ion is the conjugate base of hydrochloric acid. Water is the ...The conjugate base of HSO4 is A) OH B) H2SO4 C) SO42- D) HSO4+ E) H3504 ; This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. See Answer See Answer See Answer done loading.A conjugate acid is a substance that is formed when a base receives a proton, or H^(+). So, in order to determine the conjugate acid for a given base, all you have to know is that "base" + H^(+) -> "conjugate acid of that base" In your case, the base is hydrogen carbonate, or HCO_3^(-). If you write the equation you'll get HCO_3^(-) + H^(+) -> H_2CO_3 Carbonic acid, or H_2CO_3, will be the ...C. The PO43- represents the conjugate base of HPO42-. Conjugate bases are produced by the removal of hydrogen ions from the compound and hence option C is correct. D.The chemical formula PO42- is wrong as the phosphate group has a valency of -3 which is not satisfied hence option D is incorrect. E. The conjugate acid produced from HPO42- due to ...See list of participating sites @NCIPrevention @NCISymptomMgmt @NCICastle The National Cancer Institute NCI Division of Cancer Prevention DCP Home Contact DCP Policies Disclaimer Policy Accessibility FOIA HHS Vulnerability Disclosure Cancer...Learn more about our help with Assignments: Chemistry. 1. Write the balanced chemical equation for the reaction of the weak acid HCN with water. 2. Give the formula of the conjugate base of HSO4−. 3. Identify the conjugate base for each acid. conjugate base of H2CO3 conjugate base of HSO4− conj. 4.The conjugate base of HSO4 b. The conjugate acid of NO3- c. The conjugate base of H2PO4 2. Sufficient acidic solute is added to a quantity of water to produce a solution with [H3O+] = 4.0 x 10-3. What is the [OH-] in this solution? 3. Calculate the pH for each of the following solutions: a. [H3O+] = 7.23 x 10-8 b.Correct option is A) A conjugate acid, within the Brønsted-Lowry acid-base theory, is , Conjugate base. In a reaction of an acid in an aqueous solution, it loses a proton or Hydrogen i, Final answer. Write the formula of the conjugate base of each acid: HCl, HPO_4^2-, a, The height of a parallelogram is one fourth of its base. If the area, HSO4- + HCl <--> H2SO4 + Cl- (HSO4- here act, Click here👆to get an answer to your question ️ Write down the conjugate acid and conjugate base of (i) H2O (ii) HSO4^-, An acid-base reaction is a special chemical reaction between two reactants that involves the transfer of a proto, Identify the correct conjugate acid-base pairs Br- HSO3- HSO4- F- 1, Question: 1.Identify the conjugate acid of SO42– A) H, Terms in this set (40) C. Brønsted acid. 1. What i, You'll get a detailed solution from a subject matter exper, Study with Quizlet and memorize flashcards containing , When hydrochloric acid reacts with hydroxide ion, water an, We would like to show you a description here but the site won’, The same idea applies to a base: N H 3 + H 2 O N H + 4 + O H −. A, Identify the conjugate of each reactant and state whether it is a , Answer link. The conjugate base of an acid, any acid, i, $\ce{HSO4-}$ look at the valencies of the hydrogen and sulphate i.