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chemistry

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Can u help me plz.A compound producd 1200cm3 of N2 @ rtp.a) how many N2 molecules were in the sample & wat mas of N2 is producd

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    rtp?
    There are 6.02E23 molecules in 22.4 L N2 @ STP. So how many are in 1.2 L (1200 cc)?.
    That 22.4 L N2 has a mass of 28 g. So how many g will you have in 1.2 L?

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