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22-05-2021
Chemistry

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A gas cylinder contains exactly 15 moles of oxygen gas (O2). How many molecules of oxygen are in the cylinder

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22-05-2021

Answer:

[tex]1 \: mole \: contains \: 6.02 \times {10}^{23} \: molecules \\ 15 \: moles \: contain \: (15 \times 6.02 \times {10}^{23} ) \: molecules \\ = 9.03 \times {10}^{24} \: molecules[/tex]

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