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10 January, 07:04

An air sample contains 0.044% CO2? If the total pressure is 750 mm Hg. What is the partial pressure of CO2?2?

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  1. 10 January, 08:50
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    Partial pressure=mole fraction*Pt

    x=0.044:44 (maolarmass of CO2) * Pt

    x=0.044: (44) 2*Pt

    x=5*10^-4*Pt

    x=5*10^-4*Pt

    where Pt:1atm=760mmHg

    xatm=750mmHg

    750*1:760=0.99

    now; 5*10^-4*099=4.95*10^-4.

    Pt=4.95*10^-4
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