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Answer to Question #247377 in General Chemistry for Erl
Question #247377
How many grams of O2 will be formed from 3.76 grams of KCIO3
Expert's answer
2KClO3 ==> 2KCl + 3O2
Molar mass of KClO3 = 122.55g/mol
3.76/122.55= 0.031mol
Mole ratio KClO3:O2 = 2:3
= 0.031×3/2
= 0.046m
= 0.046× 31.998
= 1.47g
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