Chemistry Practice Problems Bronsted Lowry Acid and Base Practice Problems Solution: Consider the reaction HCO3- (aq) + H2O (l) → H2CO3...

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Solution: Consider the reaction HCO3- (aq) + H2O (l) → H2CO3 (aq) + OH- (aq) What are the Bronsted-Lowry bases in the reaction?A. HCO3- and H2CO3B. H2O and  OH-C. HCO3- and OH-D. H2O and H2CO3E. HCO3- only

Problem

Consider the reaction HCO3- (aq) + H2O (l) → H2CO3 (aq) + OH- (aq) 

What are the Bronsted-Lowry bases in the reaction?

A. HCO3- and H2CO3

B. H2O and  OH-

C. HCO3- and OH-

D. H2O and H2CO3

E. HCO3- only

Solution

We are being asked to identify the Bronsted-Lowry bases in the following reaction:

HCO3- (aq) + H2O (l) → H2CO3 (aq) + OH- (aq)


Recall:

Bronsted-Lowry acid → proton (H+) donor
Conjugate base → one less hydrogen form of the Bronsted-Lowry acid
Bronsted-Lowry base → proton (H+) acceptor
Conjugate acid → one hydrogen greater than Bronsted-Lowry base


Reaction given:      HCO3- (aq) + H2O (l) → H2CO3 (aq) + OH- (aq) 

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