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A saturated solution of \( \mathrm{Ca}_{3}\left(\mathrm{PO}_{4}\right)_{2} \) has \( \left[\mathrm{Ca}^{2+}\right]=2 \times 10^{-8} M \) and \( \left[\mathrm{PO}_{4}^{3-}\right]=1.6 \times 10^{-5} \mathrm{MK}_{s p} \) of \( \mathrm{Ca}_{3}\left(\mathrm{PO}_{4}\right)_{2} \) is :
(a) \( 3.2 \times 10^{-13} \)
(b) \( 3.2 \times 10^{-34} \)
(c) \( 2.048 \times 10^{-33} \)
(d) None of these
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