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What is zinc sulfate heptahydrate?

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Quick Answer

Zinc sulfate heptahydrate is the combination of the chemical compound zinc sulfate and water. This compound is represented by the formula ZnSO4.7H2O, which indicates the presence of seven molecules of water for every molecule of zinc sulfate.

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Full Answer

Zinc sulfate heptahydrate has a molecular weight of about 287.56 grams per mole. Other names for the chemical include zinc(II) sulphate 7-water. It is a crystalline chemical that is white in color and decomposes above 500 degrees Celsius. The melting point for the solid is 100 degrees Celsius, at which point it dehydrates. The compound has a density of 1,957 kilograms per cubic meter.

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