M(O)=M(O)*m(<span>C6H12O6 </span>)/M(<span>C6H12O6 </span>)=6*16*18/180=9.6
23.8 т.к 200 *0.2 =40г 40+10=50 210:100=2.1 50:2.1=23.8
CH2=CH -C2H5 + HCL ⇒ CH3- CHCl -C2H5
2CH3-CHCl -C2H5 + 2Na ⇒ CH3 -CH- CH-CH3
| |C2H5
C2H5
<span>C6H12O6 = 2C2H5OH + 2CO2
v(</span>C6H12O6)=100/180=0.56 моль
v(C2H5OH)=2*0.56=1.12 моль
m(C2H5OH)=1.12*46=51.12 г