Calculate the PH of a Solution That Is 0 $\text { mol L-1 }$

question 114

Multiple Choice

Calculate the pH of a solution that is 0.445 mol L^-1 in sodium formate (HCOONa) and 0.265 $\text { mol L-1 }$ in formic acid (HCOOH) .The $K _ { a }$ of formic acid is 1.77 × $10 ^ { - 4 }$ .

• A)4.860
• B)3.527
• C)10.023
• D)3.977
• E)3.752

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