A buffer solution is made by dissolving HC2H3O2 and NaC2H3O2 in water.
a. Write an equation that shows how this buffer neutralizes added acid.
b. Write an equation that shows how this buffer neutralizes added base.
c. Calculate the pH of this buffer if it contains
0.20 M HC2H3O2 and 0.40 M C2H3O2-. The Ka for HC2H3O2 is 1.8 X 10−5.
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