Calculate the degree of hydrolysis and \( \mathrm{pH} \) of \( 0.00...

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Calculate the degree of hydrolysis and \( \mathrm{pH} \) of \( 0.005 \mathrm{M} \mathrm{K}_{2} \mathrm{CrO}_{4} . \mathrm{K}_{\mathrm{a}_{2}}=5 \times 10^{-7} \) for \( \mathrm{H}_{2} \mathrm{CrO}_{4} \). (It is essentially strong for first ionization)
(A) \( \mathrm{h}=2 \times 10^{-3} \)
(B) \( \mathrm{h}=0.01 \)
(C) \( \mathrm{pH}=5 \)
(D) \( \mathrm{pH}=9.7 \)
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