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Zinc sulphate contains 22.65% zinc and 43.9% water of crystallization. If the law of constant proportions is true then the weight of zinc required to produce 20 g of the zinc sulphate crystals will be
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Correct option is B
To prepare 20g zinc sulphate crystals, zinc required=22.65100×20=4.53 gTalk to our academic expert!
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