Consider the equilibrium of Ca(OH) 2(s) in water. Ca(OH) 2(s) ? Ca2+(aq) + 2OH?(aq) , What is the effect of raising the pH of the solution?
A) Ca2+(aq) is reduced to Ca(s) .
B) The concentration of hydronium ion increases.
C) The concentration of Ca2+ increases as Ca(OH) 2 dissolves.
D) Ca(OH) 2(s) precipitates until equilibrium is reestablished.
E) Hydroxide ion is reduced to H2(g) .
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