An unknown gas effuses through a pin-hole in a container at a rate of 7.2 mmol/s/ Under the same condition gaseous oxygen effuses at a rate of 5.1 mmol/s. what is the molar mass (in g/mol) of the unknown gas?

An unknown gas effuses through a pin-hole in a container at a rate of

1.	An unknown gas effuses through a pin-hole in a container at a rate of 7.2 mmol/s/ Under the same condition gaseous oxygen effuses at a rate of 5.1 mmol/s. what is the molar mass (in g/mol) of the unknown gas?
Answer» 16 23 45 64 Answer :a