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29-02-2020
Chemistry

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Calculate the number of moles and molecules present in 64g of oxygen gas.

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29-02-2020

Yo sup??

given weight of the gas=64 g

molecular weight of gas=32 g

number of moles=64/32

=2 moles

number of molecules=2* Na

=2*6.022*10²³

=12.044*10²³ molecules

Hope this helps

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