Asked by sandy

calculate the mass of 120 cc of nitrogen at NTP. How many number of molecules are present in it?
Answered by bobpursley
well, one mole at STP occupies 22.4L

mass of sample: .120/22.4 * molmassN2
number of molecules: .120/22.4* avagradros Number

Answered by Sarman sharma
5.35 Moles at NTP