How many molecules does copper-II sulfate pentahydrate have?

Answer:

The chemical formula is CuSO4.5 H2O; the pentahydrate contain 5 molecules of water (penta = five, in the Greek lanuage).

First answer by Desdichado. Last edit by Desdichado. Contributor trust: 441 [recommend contributor recommended]. Question popularity: 1 [recommend question].