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How many moles are in 157 L of CH\(_4\) at STP?

Answer :

Answer:

7.01 mol CH4

Explanation:

STP means standard temperature and pressure, so they are basically telling you that the gas is at 1 atm and 273 K (0 degrees celsius). Now that we have the pressure, volume, and temperature we can use the ideal gas law and solve for n or moles

PV=nRT

n=PV/RT

n=(1)(157)/(0.08206)(273)

n=7.0081 (round to 3 sigfigs)

n=7.01 mol

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