Answer to Question #178848 in General Chemistry for Jenny

Question #178848

Given the gas conversion factor 1 mol = 22.4 L, why couldn’t we just convert 38.0 L to moles to get the answer for the last problem?




1
Expert's answer
2021-04-08T12:28:07-0400


To calculate the molar volume of a gas at STP you can use the ideal gas law equation, 

PV=nRT



Regardless of what ideal gas you use, the molar volume at STP will be identical across the board, since you'll be using 1 mole in the ideal gas law equation regardless of what gas you're dealing with.

That is why the volume occupied by 1 mole of any ideal gas will be equal to 22.7 L at STP.


22.4L = 1 mol


38.0L = ?


= 38/22.4

=1.6964285714 Moles


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