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Find the number of moles of water that has been lost from MgSO4.7H2O, when you heat 2.9560 g of this hydrate to give the anhydrous MgSO4. Molar mass of MgSO4.7H2O = 246.5 g/mol and molar mass of H2O = 18.0 g/mol. (Give correct units with correct number of significant figures).

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