Question: Each copper(II) sulfate unit is associated with five water molecules in crystalline copper(II) sulfate pentahydrate (CuSO4? 5H2O). When this compound is heated in air above

Each copper(II) sulfate unit is associated with five water molecules in crystalline copper(II) sulfate pentahydrate (CuSO4? 5H2O). When this compound is heated in air above 1008C, it loses the water molecules and also its blue color:

If 9.60 g of CuSO4 are left after heating 15.01 g of the blue compound, calculate the number of moles of H2O originally present in the compound.

CuSO. 5H2CuSO, 5H2O

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