How many grams of helium are present in the gas mixture

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Reference no: EM13149155

A volume of 18.0 L contains a mixture of 0.250 mols N2 , 0.250 mols O2 , and an unknown quantity of He. The temperature of the mixture is 0 degrees C , and the total pressure is 1.00 atm. How many grams of helium are present in the gas mixture?

Reference no: EM13149155

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