What is the molarity of a saturated solution of \( \mathrm{CaCO}_{3} ?\left(K_{s p}=2.8 \times 1...

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What is the molarity of a saturated solution of \( \mathrm{CaCO}_{3} ?\left(K_{s p}=2.8 \times 10^{-9}\right) \)
(a) \( 2.6 \times 10^{-5} \)
(b) \( 2.8 \times 10^{-9} \)
(c) \( 5.2 \times 10^{-5} \)
(d) \( 5.6 \times 10^{-9} \)
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