Question

A commercial sample of hydrogen peroxide is labeled as 10 volume is percentage strength is

Answer 1

Answer: 3%

Explanation:

2H2O2----> 2H2O +O2

So 68 g of hydrogen peroxide forms 22.4L of water.

So 10 L of water will be formed by (68÷22.4)×10 g

Convert this into percentage.

The answer comes to be three.

Hope it helps.

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