Question

name an anhydrate of a pentahydrate salt​

Answer 1

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The pentahydrate (x = 5) is the most common form. Older names for this compound include blue vitriol, bluestone, vitriol of copper, and Roman vitriol. The pentahydrate (CuSO4·5H2O), the most commonly encountered salt, is bright blue.Anhydrous copper sulfate is a light grey powder.

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