% mass

Asked by  | 14th Jan, 2010, 09:30: AM

Expert Answer:

The answer is c.

2 KClO3 2 KCl + 3O2

2 x 122.5                                3 x 32

245g of KClO3 gives 96 g of O2

% loss in mass = (96/245) * 100 = 39.17

Answered by  | 15th Jan, 2010, 10:40: AM

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