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what is the difference between water on the surfaace of crystals and hydrate water itself?
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Hydrate water is locked in the physical structure of the crystal itself. Your question is similar to asking what is the difference between lumber laying on the roof and the lumber built into the house.
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a 2.50g sample of hydrate of calcium sulfate losses 0.523g of water when heated. what is the mass percent of water in the
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