№4
CH3COOH +C3H7OH-->
-->CH3COOC3H7
n(CH3COOH) =12/60=0.2моль
n(C3H7OH)=15/60=0.25моль
n(CH3COOC3H7)=0.2моль(по уравнению реакции)
m(CH3COOC3H7)=Mr*n=102*0.2=20.4г
№4*
C3H7Cl+NaOH-->C3H7OH+NaCl
m(NaOH)=m(р-ра)*w/100%=20%*25/100%=5г
n(NaOH)=5/40=0.125моль
n(C3H7Cl)=11.78/78.5=0.15
n(C3H7OH)=0.125моль
m(C3H7OH)=0.125*60=7.5г
№5
1) C2H5OH-->C2H4+H2O
2)C2H4+H2O-->(H2SO4,t)C2H5OH
3)C2H5OH+HCl-->C2H5Cl+H2O
4)C2H5Cl+KOH-->(H2O)C2H5OH+KCl
5)2C2H5Cl+2Na-->2C2H5Na+H2
№5*
1)CH3COONa+NaOH(тв)-->СН4+Na2CO3
2)2CH4-->(1500C)C2H2+3H2
3)C2H2+H2-->(Ni,t)C2H4
4)C2H4+H2O-->(H2SO4)C2H5OH
5)C2H5OH+CH3COOH-->CH3COOC2H5