When CaO(s) is dissolved in water,which of the following is true?
A) The solution contains O2-(aq) ,OH-(aq) ,and Ca2+(aq) .
B) The solution contains CaO(aq) .
C) CaO(s) does not dissolve in water.
D) The solution contains O2-(aq) and Ca2+(aq) .
E) The solution contains OH-(aq) and Ca2+(aq) .
Correct Answer:
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