How many moles of methane gas are in 43.8 liters of methane gas at STP?

1 Answer
anor277 · Ernest Z.
Feb 9, 2016

There are about 2 mol of methane present.

Explanation:

At STP #1# #mol# of ideal gas has a volume of #22.4# #L#.

We assume that methane approximates the behaviour of an ideal gas, and take the quotient:

#(43.8*cancelL)/(22.4*cancelL*mol^-1)# #~~# #2# #mol# #CH_4#.

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