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To \( 100 \mathrm{ml} \) of a solution, which contains \( 8.32 \times 10^{-3} \mathrm{~g} \)
P lead ions, \( 10^{-4} \) moles of \( \mathrm{H}_{2} \mathrm{SO}_{4} \) is added. How much

W lead remains in the solution unprecipitated?
\( K_{s p} \) of \( \mathrm{PbSO}_{4}=1.6 \times 10^{-7} .(\mathrm{Pb}=208) \)
(1) \( 4 \times 10^{-4} \mathrm{~g} \)
(2) \( 2.67 \times 10^{-4} \mathrm{~g} \)
(3) \( 2 \times 10^{-4} \mathrm{~g} \)
(4) \( 4.16 \times 10^{-3} \mathrm{~g} \)
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