+2 votes
in Chemistry by (2.8k points)
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The volume of oxygen gas evolved at STP by decomposition of 0.68 g '20 volume' hydrogen peroxide is:

1 Answer

+2 votes
by (128k points)
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Best answer

Solution: The answer is 224 mL

by (2.8k points)
In a book that has the question, has given the answer as 13.6mL.
So, are they right? Anyway?
by (22.1k points)
224 mL is correct answer.

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