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3 January, 20:27

3. How many moles of carbon dioxide gas, CO2, are there in 2.8 L of this gas

at STP?

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  1. 3 January, 22:18
    0
    The answer is: 0,13 moles of CO2

    Explanation:

    We use the formula PV=nRT. The conditions STP are 1 atm of pressure and 273K of temperature:

    PV=nRT n=PV/RT

    n=1 atm x 2,8 L / 0,082 l atm/K mol x 273K

    n = 0,125078173 mol
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