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The volume of oxygen gas evolved at STP by decomposition of 0.68 g '20 volume' hydrogen peroxide is:

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+2 votes
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asked Jul 17, 2017 in Chemistry by HariOm Vaja (2,713 points) ● 4 ● 30 ● 138

1 Answer

+1 vote
answered Jul 17, 2017 by sforrest072 (157,439 points) ● 61 ● 410 ● 949

Solution: The answer is 224 mL

commented Jul 17, 2017 by HariOm Vaja (2,713 points) ● 4 ● 30 ● 138
In a book that has the question, has given the answer as 13.6mL.
So, are they right? Anyway?
commented Jul 18, 2017 by sanjeev (19,462 points) ● 4 ● 9 ● 22
224 mL is correct answer.
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