A student prepares a buffer by mixing 45mL of .20M formic acid and 55mL of .15M sodium formate. What is the pH of the bu

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answerhappygod
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A student prepares a buffer by mixing 45mL of .20M formic acid and 55mL of .15M sodium formate. What is the pH of the bu

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A student prepares a buffer by mixing 45mL of .20M formic acid
and 55mL of .15M sodium formate. What is the pH of the buffer? The
Ka of formic acid is 1.8 x 10^-4
a. 3.70
b. 5.07
c. 3.62
d. 7.00
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