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Stoichiometric Calculations

When 100 ml o...

Question

When 100 ml of $O_{2} - O_{3}$ mixture was passed through turpentine oil, there was reduction of volume by 20 ml. If 100 ml of such a mixture is heated, what will be the increase in the volume (ml)? (Write the answer in the form of volume/2)

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Solution

$O_{3}$ is absorbed in turpentine oil. Volume of $O_{3} = 20$ ml, and volume of $O_{2} = (100 - 20) = 80$ ml. On heating $O_{3}$ is converted to $O_{2}$ .
$2 O_{3} ⇌ 3 O_{2}$
2mol 3 mol
2ml 3ml
20ml 30ml
From 20 ml of ozone, 30 ml of oxygen is formed. Hence, increase in volume $= 30 - 20 = 10$ ml.

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