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15-01-2020
Chemistry

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If 250 g of calcium chlorate decomposes into calcium chloride and oxygen what mass of oxygen would be produced

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15-01-2020

Answer:

m O2 = 116,16 g

Explanation:

Ca(ClO3)2 ------------> CaCl2 + 3O2

n Ca(ClO3)2 = 250/207 = 1,21 mol

n O2 = 3n Ca(ClO3)2 = 1,21 * 3 = 3,63 mol

m O2 = 3,63 * 32 = 116,16 g

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