Răspuns:
Explicație:
mt=800g S
react. cu O2
randament=60%
VSO2
randament= mp. 100 : mt
mp= randam . mt : 100
mp= 60 . 800 : 100 = 480g S care reactioneaza
480g xg
S + O2 = SO2
32g 64g
x= 480 . 64 : 32= 960 g SO2
n= m : M
MSO2= 32 + 2.16=64-----> 64g/moli
n= 960g : 64g/moli = 15moli SO2
VSO2 = 15moli .22,4L/moli = 336 L