Chemistry, 13.12.2020 04:20, lalaboooobooo

Ocument 10.
A buffer solution is based on methanoic acid, HCOOH (K = 1.70 x 10-4 mol dm3) and
methanoate ions, HCOO-.
I
In the buffer solution, the HCOOH concentration is half the HCOO-concentration.
What is the pH of the buffer solution?
A. 2.47
B. 3.07
C. 3.47
D. 4.07
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Ocument 10.
A buffer solution is based on methanoic acid, HCOOH (K = 1.70 x 10-4 mol dm3) and...