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General Chemistry

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Moderate

pH of a Salt Solution

CHEM-FT@G48

Calculate the $pH$ of a $0.25 M$ solution of $NaCN$.

$K_{a}(HCN)=3.5 \times 10^{-4}$

A

$2.0$

B

$5.6$

C

$8.4$

D

$12.0$