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A gas container of 20 l capacity contain...

A gas container of 20 l capacity contains a mixture of 10 g of hydrogen and 48 g of oxygen. After the mixture is ignited by a spark the gas formed is heated to `300^@C`. Find the pressure of the gas. 

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The correct Answer is:
`1.2 xx10^(6) Pa . 16.16` 72.5% nitrogen and 27.5% oxygen .
In the course of the chemical reaction in which water is produced, 48 g of oxygen react with 6 g of hydrogen. Consequently the container contains 54 g of water vapour and 4 g of hydrogen. To find the pressure apply Dalton.s law.
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