Mr(C6H12O6) =6*12+12+16*6=96+12+72=180
w(C) =6*12/180г/моль*100%=40%
w(H)=1*12/180г/моль*100%=6%
w(O)=16*6/180г/моль*100%=54%
Mr(C6H12O6) =6*12+12+16*6=96+12+72=180
w(C) =6*12/180г/моль*100%=40%
w(H)=1*12/180г/моль*100%=6%
w(O)=16*6/180г/моль*100%=54%