How many grams of #CH_4# at STP would fill a 1.00 L flask?

1 Answer
Dr. Hayek
Dec 29, 2015

#m=0.714g " of " CH_4#

Explanation:

At STP, the molar volume is equal to #22.42"L/mol"#, therefore, to calculate the number of mole of #CH_4# that fill a 1.00L flask by:

#?mol=1.00cancel(L)xx(1mol)/(22.42cancel(L))=0.0446 mol#

Now, to calculate the mass of #CH_4# in question:

#?g=0.0446cancel(mol)xx(16.01g)/(1cancel(mol))=0.714g " of " CH_4#

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