Answer to Question #188399 in General Chemistry for Amir

General Chemistry

Question #188399

What is the pH solution containing 0.30 M HCOOH and 0.52 M HCOOK?

HCOOH_(aq)+ H₂O_(l) = H₃O⁺_(aq) + HCOO^-_(aq)

Expert's answer

pKa = 3.77

pH = pKa + log ( "\\frac{[HCOO^-]}{[HCOOH]}" )

pH = 3.77 + log ( "\\frac{[0.52]}{[0.30]}" )

pH = 4.01

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