How many grams of methane gas, CH4 , occupy a volume of 2.00 L at 50.0°C, and 697 torr? (PV = nRT, R = 0.0821 L atm/ mole K)
February 20th, 2023
Hello,
You can start by converting you pressure from torr to atm.
Or look up and R=constant with torr units.
once you did that, use the formula PV=nRT, in order to find n=quantity of moles.
Then, use the molar mass of CH4, to find the mass using this relationship n(mol)=mass(g)/molar_mass(g/mol)
PS : don’t forget to convert T=50 celcius to Kelvin.