a)64gSO2.......22,4l
x=960 g................336l
b) 71gCl2..........22,4ml
y=63,9mg 20,16ml
c)32kg O2....................22,4m3
z=2240 kg.....................1560m3
d) pV=nRT
n=RT/pV=0,082*300/9*8,21=0,334moli
m=n*M=0,334*44=14,64 g
e)pV=nRT
n=RT/pV=0,082*500/5*41=0,2 moli
m=n*M=0,2 *28=5,6 g