Respuesta :

haneylia
PV = nRT

I only know the valeu of R is you're using atm, so convert kPa to atm.

1 atm = 101.325 kPa

2.52 atm = 255 kPa

2.52atm(x) = 7(.0821)(342)

2.52atm(x) = 196.5

x = 78

78 liters