Each copperii sulfate unit is associated with five water, Ask an Expert

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Each copper(II) sulfate unit is associated with five water molecules in crystalline copper(II) sulfate pentahydrate (CuSO45 H2O). When this compound is heated in air above 100°C, it loses the water molecules and also its blue color.

CuSO45 H2O CuSO4 + 5 H2O

If 8.50 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.

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Category:- Chemistry
Reference No.:- M91100664

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