0.65g of Zn was put in a solution of 1.5g of copper sulfate and the Cu thus precipitate weighed 0.635g. what weight of the zinc sulfate will be recovered on evaporation of remaining sol
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Explanation:
From mass conservation-------
mass of Zn+mass of CuSO4=mass of ZnSO4+mass of Cu
=> 0.65 + 1.5 = mass of ZnSO4 + 0.635
=> mass of ZnSO4 = 2.15-0.635
= 1.515
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Answer:1.515g
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