Zinc sulphate contains 22.65% of zinc and 43.9% of water of crystallization. If the law of constant proportions is true, then the weight of zinc required to produce 20 g of the crystals will be

Question: Zinc sulphate contains 22.65% of zinc and 43.9% of water of crystallization. If the law of constant proportions is true, then the weight of zinc required to produce 20 g of the crystals will be

(a) 45.3 g

(b) 4.53 g

(c) 0.453 g

(d) 453 g


Correct Answer: (b) 4.53 g


Question: Zinc sulphate contains 22.65% of zinc and 43.9% of water of crystallization. If the law of constant proportions is true, then the weight of zinc required to produce 20 g of the crystals will be (a) 45.3 g (b) 4.53 g (c) 0.453 g (d) 453 g


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