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Highly selective Backlog Qs for JEE MainChemistrySome Basic Concepts of Chemistry

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

Options

  1. A45.3 g
  2. B4.53 g
  3. C0.453 g
  4. D453 g

Correct answer

B. 4.53 g

Step-by-step solution

To prepare 20 g zinc sulphate crystals, zinc required = 22.65 100 × 20 = 4.53 g

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