Question

In the following chemical equation, what is the reactant?
CuSO45H2O(s) → CuO(s) + SO3(g) + 5H2O(l)
A) CuSO45H2O(s)
B) H2O(l)
C) CuO(s)
D) SO3(g)
E) CuSO4(s)

Answer

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