emmadoda emmadoda

10-06-2017
Chemistry

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How many moles are there in 132g of CO2? How many dm3 would this be?

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fatouramjaun fatouramjaun

10-06-2017

Mr of CO2 = ( 12 + [16*2] ) = 44

NUMBER OF MOLE = MASS / MR

therefore... ( 132*44 ) = 3 mole

Recall that 1 mole of gas occupies 24dm3 (24000cm3) at room temperature and pressure

hence... 3 mole will occupy (24*3) =72 dm3

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