Respuesta :

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