A buffering solution is made from acetic acid (CH3CO2H) and its conjugate base (CH3CO2-). Which reaction describes the buffering effect of the solution when an acid is added to the solution?

a. CH3CO2H (aq) + OH (aq) → CH3CO2 - (aq) + H2O (l)

b. CH3CO2 - (aq) + H2O (l) → CH3CO2H (aq) + OH (aq)

c. CH3CO2H (aq) → CH3CO2 - (aq) + H + (aq)

d. CH3CO2 - (aq) + H + (aq) → CH3CO2H (aq)

Question

Ryan Levy

17 October, 17:20

+3

Answers (1)

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Jeramiah Mendoza · Answer 1

D. CH3CO2 - (aq) + H + (aq) - - > CH3CO2H (aq)