In a 10 litre vessel, the total pressure of a gaseous mixture containing H2,N2andCO2 is 9.8 atm, The partial pressures of H2 and N2 are 3.7 and 4.2 atm respectively. Find the partial pressure of CO2 .
1.9 atm
PH2+PN2+PCO2=9.8 atm
PCO2=9.8−⟮PH2+PN2⟯
= 9.8 - (3.7 + 4.2)
= 9.8 - 7.9 = 1.9 atm.