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7.47g of blue copper(II)tetraoxosulphate(VI) crystals, CuSO4.5H20 were heated in a crucible to a constant mass,...

7.47g of blue copper(II)tetraoxosulphate(VI) crystals, CuSO4.5H20 were heated in a crucible to a constant mass, first at a temperature of 110°c, and then at 130°c. The residue that was obtained at 110°c weighed 5.31g and that obtained at 130°c weighed 4.77g. Calculate the stages of dehydration reached at 110°c and 130°c respectively.?
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Asked by Cordeltam on 16th May, 2020
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