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12 March, 05:35

At STP, how many moles of carbon dioxide will occupy 35.2 L of space?

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  1. 12 March, 05:55
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    Moles of carbon dioxide are 1.57

    Explanation:

    Using ideal gas law, you can find moles of a gas with its pressure, temperature and volume, thus:

    PV = nRT

    PV/RT = n

    Where P is pressure, V is volume (35.2L); R is gas constant (0.082atmL/molK); T is absolute temperature and n are moles

    At STP, temperature is 273.15K and pressure is 1atm

    Replacing:

    1atm*35.2L / 0.082atmL/molK*273.15K = n

    1.57 = n

    Moles of carbon dioxide are 1.57
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