Question

38. Commercial sample of H2O2 is labeled as 10 V Its
% strength is nearly
(a) 3
(b) 6
(c) 9
(d) 12
(WB JEE)
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Answer 1

Answer:

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Explanation:

Percent concentration =

224

68

× volume strength

Percent concentration =

224

68

×10=3 %.

Answer 2

Answer:

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Right answer is A .

Explanation:

10 volume solution of H2O2 is 3.035% solutions i.e ..,3.035g of H2O2 is present in 100ml of the solution