What is the \( \mathrm{pH} \) of \( \mathrm{M} / 20 \mathrm{KHC}_{8...

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What is the \( \mathrm{pH} \) of \( \mathrm{M} / 20 \mathrm{KHC}_{8} \mathrm{H}_{4} \mathrm{O}_{4} \) solution? Given : \( \mathrm{H}_{2} \mathrm{C}_{8} \mathrm{H}_{4} \mathrm{O}_{4} \) is a dibasic acid with \( \mathrm{pK}_{\mathrm{a}_{1}} \) \& \( \mathrm{pK}_{\mathrm{a}_{2}} \) as \( 2.94 \& 5.44 \) respectively.
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