M asked in Science & MathematicsChemistry · 1 decade ago

How many grams of carbon dioxide are contained in 550 mL of this gas at STP?

I know the answer is 1.1 g .. how do I get that answer?!? please help!!!

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  • 1 decade ago
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    STP = 1 atm and 273K.

    PV=nrT

    (1) (.550)* = n (.0821) (273)

    (*converting mL to L)

    Solve for n, then multiply n (number of moles) by the molar mass of CO2.

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  • 1 decade ago
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