Q.
A gaseous mixture contains 56 g of N2, 44 g of CO2 and 16 g of CH4. The total pressure of mixture is 720 mm of Hg. The partial pressure of methane is :
First of all we have to calculate the number of moles. Number of moles of N2=2856=2 Number of moles of CO2=4444=1 Number of moles of CH4=1616=1∴ Total number of moles =2+1+1=4∴ mole fraction of CH4=41∴ partial pressure of CH4 = mole fraction of CH4× total pressure =41×720=180atm