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20 March, 10:09

How many molecules are in 0.400 moles of. N2O5?

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  1. 20 March, 13:32
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    Because you're turning moles into molecules, all you need to use is Avogadro's Number (6.022*10^23).

    The equation would be:.400 mol N2O5/1 mol*6.022*10^23 molecules.

    The answer, including significant figures, is 151 molecules.
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