A) \[3.04\times {{10}^{-4}}mole/litre\]
B) \[5\times {{10}^{-6}}\text{ }mole/litre\]
C) \[3\times {{10}^{-5}}mole/litre\]
D) None of these
Correct Answer: A
Solution :
\[CaC{{O}_{3}}C{{a}^{++}}+CO_{3}^{--}\] \[Ksp={{s}^{2}}\] \[s=\sqrt{Ksp}\] \[=\sqrt{9.3\times {{10}^{-8}}}\] \[s=3.04\times {{10}^{-4}}mole/litre\]
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