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What Is the Molar Solubility of Calcium Carbonate ( CaCO₃

Question 57

Multiple Choice

What is the molar solubility of calcium carbonate ( CaCO₃ ) in water? The solubility-product constant for CaCO₃ is 4.5 × 10^-9 at 25 °C.

A) 2.3 × 10^-9
B) 9.0 × 10^-9
C) 8.35
D) 9.5 × 10^-5
E) 6.7 × 10^-5

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