CxHyOz+ (x+y/2-z/2)O2= xCO2+ y/2H2O
1) m(C)=m(CO2)*w(C)=3.96*12/44=1.08
2) m(H)=m(H2O)*w(H)=0.54*2/18=0.06
3) m(O)=m(CxHyOz)-m(C)-m(H)=1.86-1.08-0.06=0.72
4)n(X)=m(X)/M(X)
1.08/12=0.09 0.06/1=0.06 0.72/16= 0.045
0.09/0.045=2 0.06/0.045 =1.3333 0.045/0.045=1
2*3 1.3333*3 1*3
6 4 3
C6H4O3
2. CxHyOz+ (x+y/2-z/2)O2= xCO2+ y/2H2O
1) m(C)=n(C)*M(C)=3.36/22.4*12=1.8
2) m(H)=m(H2O)*w(H)=3.6*2/18=0.4
3) m(O)=m(CxHyOz)-m(C)-m(H)=3-1.8-0.4=0.8
1.8/12=0.15 0.4/1=0.4 0.8/16=0.05
0.15/0.05=3 0.4/0.05=8 0.8/0.8=1
C3H8O=29*2.07=60
