Q.
Equal masses of SO2,CH4 and 02 are mixed in empty container at 298 K, when total pressure is 2.1 atm. The partial pressure of CH4 in the mixture is
Molecular masses of SO2,CH4 and O2 are 64, 16
and 32. Let mass of each gas taken = 64 g nSO2=6464 = 1 . nCH4=1664=4 nO2=3264=2 xO2=72:pO2=xO2PTotal
= 72×2.1 atm = 1.2 atm