1) 0,672/22,4= 0,03моль
0,03*2(SO)*6,02*10^23=3,612*10^22
2) 30+120=150
W%=30/150*100%=20%
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Answers & Comments
1) 0,672/22,4= 0,03моль
0,03*2(SO)*6,02*10^23=3,612*10^22
2) 30+120=150
W%=30/150*100%=20%