Addition of 0.0125 mol HCl to 150 mL of a 0.150 M formic acid/0.100 M sodium formate buffer results in a pH = ________.The K_a of formic acid is 1.8 × 10^-4.

Name: Addition of 0.0125 mol HCl to 150 mL of a 0.150 M formic acid/0.100 M sodium formate buffer results in a pH = ________.The K a of formic acid is 1.8 × 10 -4 .
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The Answer of Addition of 0.0125 mol HCl to 150 mL of a 0.150 M formic acid/0.100 M sodium formate buffer results in a pH = ________.The K_a of formic acid is 1.8 × 10^-4.