Question

Calculate the percentage loss in weight after complete decomposition of a pure sample of potassium chlorate. kclo3->kcl+o2

Answer 1

2KClO3→2KCl+3O2

2×122.5 shows a wt loss of 3× 32g O2

100g shows a wt loss=3×32×1002×122.5

⇒39.17

Answer 2

Explanation:

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