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28 April, 13:51

How many molecules are there in 0.250 moles of oxygen?

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  1. 28 April, 14:02
    0
    1.505 x 10^23

    Explanation:

    0.25 moles 02 = 32:4 = 8grams.

    0.25 (6.02 x 10^23) avogadros constant = 1.505 x 10^23 molecules 02
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