CxHy + (x+y/4)O2 = xCO2 + y/2H2O
CO2 + Ca(OH)2 = CaCO3 + H2O
2CO2 + 2Na2O2 = 2Na2CO3 + O2,增重56
2H2O + 2Na2O2 = 4NaOH + O2,增重4
CxHy---xCO2----xCaCO3---y/2H2O
0.5mol----0.5x-----0.5x-----0.25y
100=0.5x*100,解得,x=2
30=0.5x/2*56+0.25y/2*4,解得,y=4
即,C2H4
CxHy + (x+y/4)O2 = xCO2 + y/2H2O
CO2 + Ca(OH)2 = CaCO3 + H2O
2CO2 + 2Na2O2 = 2Na2CO3 + O2,增重56
2H2O + 2Na2O2 = 4NaOH + O2,增重4
CxHy---xCO2----xCaCO3---y/2H2O
0.5mol----0.5x-----0.5x-----0.25y
100=0.5x*100,解得,x=2
30=0.5x/2*56+0.25y/2*4,解得,y=4
即,C2H4