Asked by Kelly
20.0 ml of 1.00 M formic acid are combined with 10.0 ml of 1.00 M sodium formate. Calculate the expected pH.
Ka for formic acid is 1.77 x 10^-4
Ka for formic acid is 1.77 x 10^-4
Answers
Answered by
DrBob222
Use the Henderson-Hasselbalch equation.
Convert Ka to pKa.
10.0 mL x 1.0 M sodium format is 10 millimols base.
20.0 mL x 1.00 M formic acid is 20 mmols of the acid. Plug and chug.
Convert Ka to pKa.
10.0 mL x 1.0 M sodium format is 10 millimols base.
20.0 mL x 1.00 M formic acid is 20 mmols of the acid. Plug and chug.
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