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4. Find the percentage of water of crystallisation inCuSO4 5H2O. (At. mass Cu 64, H1, O 16, S 32)(2017)

Answer»

W.K.T molar mass of Cuso4.5H2O = 159.609 + 90 = ~250. Mass of water of crystallization = 5 * 18 = 90. Percentage = 90/250 * 100= 36%.

Actually, it refers to the water that is found in the crystalline framework and includes metal complex or salt. This have been found directly bonded to the metal cation



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