Q.

30 lit of oxygen is liberated at STP by the complete decomposition of a sample of 1 lit of H2O2. The molarity of that H2O2 solution is nearly

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a

0.893 M

b

1.785 M

c

2.678 M

d

3.572 M

answer is C.

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Detailed Solution

1 lit of H2O2 solution 30lit of "O2"i.e.. The volume strength of the H2O2 solution is 30vol strength. (OR)2H2O2 → 2H2O + O22 x 34gr ------22.4 lit??        -------30lit M = 2.678M
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30 lit of oxygen is liberated at STP by the complete decomposition of a sample of 1 lit of H2O2. The molarity of that H2O2 solution is nearly