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24 October, 11:53

How many moles of ammonia are in 1.20 x10 25 molecules of ammonia?

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  1. 24 October, 14:14
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    The moles of ammonia in 1.20 x10^25 molecules of ammonia is calculated as follows

    by use of Avogadro constant

    1moles = 6.02 x10^23

    what about 1.20 x10^25 moles

    by use of cross multiplication

    = 1 mole x (1.20 x10^25) / (6.02 x10^23) = 19.93 moles
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