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21 June, 06:48

How many molecules of oxygen gas are in 1.42 moles of oxygen gas?

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  1. 21 June, 07:04
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    You have 1.42mol O2.

    If 1mol is 6.022*1023 molecules of O2, then 1.42mol O2 is equal to 1.42*6.022*1023 molecules of O2. This gives a total of approx. 8.55*1023 molecules of oxygen gas.
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