The temperature of the mixture is 0 c and the total


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

P=1

V=18

n=

R=

T=273

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Chemistry: The temperature of the mixture is 0 c and the total
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