450ml of oxygen gas is collected at 20degree Celsius. If for a particular use, the volme has to be reduced to 1/3 of its original volume, find the temperature to which the gas has to be cooled? [pressure constant]

450ml of oxygen gas is collected at 20degree Celsius. If for a particu

1.	450ml of oxygen gas is collected at 20degree Celsius. If for a particular use, the volme has to be reduced to 1/3 of its original volume, find the temperature to which the gas has to be cooled? [pressure constant]
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