Zinc crystals contain 22.65% zinc and 43.9% water. If the law of constant proportions is correct,how much zinc would be required for preparation of 2.283 g of zinc sulphate ?

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Solution

100g of crystals are obtained from =22.65g of Zn
∴∴ 20g of crystals are obtained from =22.6510022.65100×20×20
⇒4.53g

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Zinc crystals contain 22.65% zinc and 43.9% water. If the law of constant proportions is correct,how much zinc would be required for preparation of 2.283 g of zinc sulphate ?

100g of crystals are obtained from =22.65g of Zn ∴∴ 20g of crystals are obtained from =22.6510022.65100×20×20 ⇒4.53g

100g of crystals are obtained from =22.65g of Zn
∴∴ 20g of crystals are obtained from =22.6510022.65100×20×20
⇒4.53g