Answer to Question #148186 in General Chemistry for Alberto

General Chemistry

Question #148186

Calculate the pH of a solution containing 0.20 M HF and 0.10 M NaF. ( Ka = 6.3 x 10–4
)

Expert's answer

pH=Ka+ log(conjugate base/weak acid) = 6.3 x 10^-4 + log(0.1/0.2) = 0.3.

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