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Calculate the no. of molecules in 44.8L ...

Calculate the no. of molecules in 44.8L of oxygen at STP.

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Number of moles
=`(volume in liters/22.4L)
=(44.8L/22.4L) = 2 mole
Number of molecules in 1 mole oxyden = `6.022 xx 10^23`
Number of molecules in 2 moles oxygen =`2 xx 6.022 xx 10^23`
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