How many moles of helium are inside a 7.3 L party balloon at STP?

Question

How many moles of helium are inside a 7.3 L party balloon at STP?

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Edana Edana 5 months 2021-08-29T00:56:12+00:00 1 Answers 0 views 0

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    2021-08-29T00:57:49+00:00

    Answer:

    0.326 mol. is the answer.

    Explanation:

    No. of moles = Volume (L) / Volume at STP

    N = 7.3 / 22.4

    N = 0.326 moles

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