Calcium hydride (CaH2) is so reactive with water that it can be used to remove traces of water from solvents other than water. If 24.6 g of calcium hydride is added to a large volume of solvent that contains 14.0 g of water, which of these remains, water or calcium hydride, after the reaction is complete? The reaction is:
CaH2(s) + 2H2O(l) Ca(OH) 2(s) + 2H2(g)
A) CaH2 will be left over.
B) Water will be left over.
C) Both will be completely consumed.
D) There is no way to tell.
Correct Answer:
Verified
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