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0 votes
1.0k views
in Chemistry by (69.7k points)

How many moles of potassium chlorate to be heated to produce 11.2 li tre oxygen -

(A) 1 / 2 mol

(B) 1 / 3 mol

(C) 1 / 4 mol

(D) 2 / 3 mol.

1 Answer

+1 vote
by (69.2k points)
selected by
 
Best answer

Correct option: (B) 1 / 3 mol

Explanation:

∵ 3 × 22.4 litre O2 is formed by 2 mol KClO

∴ 11.2 litre O2 is formed by (2 x 11.2 ) / (3 x 22.4) = 1/3 mol KClO3

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