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Q.The percentage loss in weight after complete decomposition of a pure sample of potassium chlorate is

Q.The percentage loss in weight after complete decomposition of a pure sample of potassium chlorate is

Grade:11

1 Answers

Arun
25750 Points
5 years ago
2KClO3 = 2KCl + 3O2
2 × 122.5 shows a weight loss of 3 × 32gO2
100 g shows a weight loss = 3×32×100/2×122.5
= 39.17
Therefore, a pure sample of potassium chlorate will be 39.17.

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