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If you have a saturated solution of \( \mathrm{CaF}_{2} \), then:
\( \mathrm{P} \)
(a) \( \left[\mathrm{Ca}^{2+}\right]=\left(K_{s p} / 4\right)^{1 / 3} \)
(b) \( 2 \times\left[\mathrm{Ca}^{2+}\right]=\left[\mathrm{F}^{-}\right] \)
W
(c) \( \left[\mathrm{Ca}^{2+}\right]=2\left[\mathrm{~F}^{-}\right] \)
(d) \( \left[\mathrm{Ca}^{2+}\right]=\sqrt{K_{s p}} \)
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