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what is the strength of H2O2 solution whose volume strength is 12

what is the strength of H2O2 solution whose volume strength is 12

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Answer #1

Volume strength is the volume of oxygen gas liberated from one volume of H2O2 solution at STP

If the volume strength is given as 12-volumes, it means that 1L of H2O2 will produce 12L of oxygen gas.

2 H2O2   Heat-----> 2H2O + O2

2 moles of H2O2 ------->    22.4 L oxygen at STP

1mol of H2O2 ------->    11.2 L oxygen at STP

Volume strength of H2O2 = 12 (given)

Volume strength of H2O2 = 11.2 x Strength of H2O2

Strength of H2O2 = Volume strength of H2O2/ 11.2

= 12/11.2 = 1.07M

Strength of H2O2 = 1.07M

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