Potassium chlorate decomposes to give KCl and oxygen. If 5 gms of KClO 3 decomposes
,calculate the amount of KCl formed.
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Answer:
Explanation:
Because it is combine with ch2o
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balanced equation:
2KClO3 → 2KCl + 3O2
2mol KClO3 produce 3 mol O2
Molar mass KClO3 = 122.55g/mol
5g KClO3 = 5/122.55 = 0.040 mol KClO3
This will produce 0.040*3/2 = 0.06 mol O2
Molar mass O2 = 32g/mol
0.06 mol = 32.0*0.06 = 1.92g O2 produced.
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