M(SO3)=32+16*3=80
M(S)=32
ω(S)=32/80*100%=0,4*100%=40%
M(O3)=16*3=48
ω(O3)=48/80*100%=0,6*100%=60%
ответ:ω(S)=40%; ω(O3)=60%
M(SO3)=32+16*3=80
M(S)=32
ω(S)=32/80*100%=0,4*100%=40%
M(O3)=16*3=48
ω(O3)=48/80*100%=0,6*100%=60%
ответ:ω(S)=40%; ω(O3)=60%