The ionization constant of benzoic acid is $6.5 \times {10^{ - 5}}$ at $298$ $K$ temperature. Calculate $pH$ of its $0.15$ $M$ solution.
The ionization constant of benzoic acid is $6.5 \times {10^{ - 5}}$ at $298$ $K$ temperature. Calculate $pH$ of its $0.15$ $M$ solution.
$\left[\mathrm{H}^{+}\right]=3.12 \times 10^{-3} \mathrm{M}, \mathrm{pH}=2.5$
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- [IIT 2009]
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