Question

Complete the following reactions and identify the conjugate acid–base pairs if the reactant acts as an...

Complete the following reactions and identify the conjugate acid–base pairs if the reactant acts as an acid.​

Part A

HCOOH(aq)+H2O(l)⇌

Formic acid

Express your answer as a chemical equation. Identify all of the phases in your answer.

Part C

H2PO4−(aq)+H2O(l)⇌

Acid

Express your answer as a chemical equation. Identify all of the phases in your answer.

Part E

HCO3−(aq)+H2O(l)⇌

Acid

Express your answer as a chemical equation. Identify all of the phases in your answer.

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Homework Answers

Answer #1

Ans.

When an acid loses a proton , then , conjugate base is formed and when a base gains a proton , then , conjugate acid is formed .

Part A :  

HCOOH(aq) + H2O(l) <---> HCOO-(aq) + H3O+(aq)

Conjugate acid = H3O+

Conjugate base = HCOO-

Part C :

H2PO4-(aq) + H2O(l) <---> HPO42-(aq) + H3O+(aq)

Conjugate Acid = H3O+

Conjugate Base = HPO42-

Part E :

HCO3-(aq) + H2O(l) <----> CO32-(aq) + H3O+(aq)

Conjugate Acid = H3O+

Conjugate Base = CO32-

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