How would you solve gas laws problems with the given "at STP"?
Refer to the Explanation.
The most current recommendation for
So if you are asked to find the volume of a gas at STP, you would use
However, many people are still using
Whichever value you choose to use for STP, make sure the temperature is always in Kelvins (C+273.15), and that the gas constant, R, has the same units that correspond to your temperature and pressure, and be sure you have the correct molar volume if needed.