The ratio of number of molecules in equal weights of H2, He and CH4 is
1 : 1 : 1
1 : 2 : 3
8 : 4 : 1
1 : 2 : 8
H2 : He : CH4
12 : 14 : 116
The ratio between number of molecules in equal masses of CH4 and SO2 is?
what is the ratio of weight of O2 and He, the mixture of which contains equal number of molecules of equal gas?