1.

A solution saturated in lime water has a pH of 12.4. Then the Ksp for \[Ca{{(OH)}_{2}}\] is:

A. \[3.2\times {{10}^{-3}}\]
B. \[7.8\times {{10}^{-6}}\]
C. \[7.8\times {{10}^{-28}}\]
D. \[3.2\times {{10}^{-4}}\]
Answer» C. \[7.8\times {{10}^{-28}}\]


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