How many liters of helium gas at NTP has weight same as 3.0115xx10^(23) molecules of methane?

How many liters of helium gas at NTP has weight same as 3.0115xx10^(23

1.	How many liters of helium gas at NTP has weight same as 3.0115xx10^(23) molecules of methane?
Answer» ANSWER :44.8