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Calculate thevolume of oxygen and nitrogen present 250 l of air. |
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Answer» 250 l of air contains`(78xx250)/(100)=195`l of nitrogen Volume percentage of OXYGEN in AIRIS`21%` `RARR 100` l of air contains 21 l of oxygen 250 lof air contains`(250xx21)/(100)=52.5`lof oxygen. |
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