The addition of HCl to a solution made from 1.0 M acetic acid solution and 1.0 M

Question

The addition of HCl to a solution made from 1.0 M acetic acid solution and 1.0 M sodium acetate acid solution will affect the solution how and what will the pH of a 0.1 M acetic acid and 0.1 M potassium acetate solution be when KOH is added to it when ka=1.8x10^-5?

part I:

a. consume the sodium acetate, thus increasing the pH

b. There will be no change, it is a buffer

c. decrease the concentration of the acetic acid

d. increase the pH

e. increase the concentration of acetic acid

part II: pH=

a. 8.9

b. 11.55

c. 4.74

d. 4.74

e. 4.46

Explanation / Answer

Option e increase the concentration of acetic acid

When HCl is added to the acetic acid acetate buffer solution the ph will decrease as it would lead to the formation of weak acid, acetic acid.

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