Determine the mass of the following samples. 7.52 X 10 25molecules of NH3

Question

Determine the mass of the following samples.
7.52 X 10 25molecules of NH3

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Phúc Điền 4 months 2021-07-24T14:38:49+00:00 1 Answers 0 views 0

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    2021-07-24T14:40:07+00:00

    Explanation:

    Find moles first

    moles = number of particles/ 6×10^23

    = 7.52 ×10^25 / 6×10^23

    =125.33

    calculate molar mass

    (1×14) +(3×1) =17

    convert to mass

    mass= moles × molar mass

    =125.33 × 17

    =2130.67g

    This is a pretty big value usually it’s smaller but I’d assume it’s because the number of particles was large.

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