Asked by Lena
I need to find the mass of butane gas and I only know the following things (you cannot use the molar mass of butane):
volume = 80 mL
pressure = 98.23 KPa
temp.= 298K
So I found the number of mols and I got 0.003171814 mols. of butane.
But I don't know what to do after this since I can't use molar mass.
volume = 80 mL
pressure = 98.23 KPa
temp.= 298K
So I found the number of mols and I got 0.003171814 mols. of butane.
But I don't know what to do after this since I can't use molar mass.
Answers
Answered by
drwls
Use PV = nRT to get the number of moles, n. You already did that.
You need the molar mass to get the mass of butane. Any ideal gas with that P, V and T will have the same number of moles.
More facts are needed or the question cannot be answered
You need the molar mass to get the mass of butane. Any ideal gas with that P, V and T will have the same number of moles.
More facts are needed or the question cannot be answered
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