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28 August, 11:28

How many grams of carbon dioxide are in 88.5 L at STP?

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  1. 28 August, 14:25
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    173.8g

    Explanation:

    STP means standard temperature and pressure

    The temperature there is 273k while the pressure is 1 atm

    now we are to use the ideal gas equation to get the number of moles first

    Mathematically;

    PV = nRT

    here P = 1 atm

    V = 88.5 L

    n = ?

    R = molar gas constant = 0.082 L atm mol^-1 K^-1

    Now rewriting the equation we can have

    n = PV/RT

    plugging the values we have

    n = (1 * 88.5) / (0.082 * 273)

    n = 88.5/22.386

    n = 3.95 moles

    Now we proceed to get the mass

    Mathematically;

    mass = no of moles * molar mass

    molar mass of carbon iv oxide is 44g/mol

    mass = 3.95 * 44 = 173.8 g
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