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Determine whether \( \mathrm{Cd}^{2+} \) can be separated by \( \mathrm{Zn}^{2+} \) by bubbling \( \mathrm{H}_{2} \mathrm{~S} \) upto \( 0.01 M \) through a \( 0.3 \mathrm{M} \mathrm{HCl} \) solution that contain \( 0.005 \mathrm{M} \mathrm{Cd}^{2+} \) and \( 0.005 \mathrm{M} \mathrm{Zn}^{2+} . K_{s p} \) of CuS and \( \mathrm{ZnS} \) are \( 1.4 \times 10^{-28} \) and \( 1.0 \times 10^{-22} \) respectively. \( K_{s p} \) of \( \mathrm{H}_{2} \mathrm{~S} \) is \( 1 \times 10^{-21} \)
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