help tớ với

N

newtwopiece

D

dieuhoai

pt:RCOOR'+NaOH---- RCOONa+R'OH
m(NaOH)=V.D=1,1.34,1=3,751(g)
n(NaOH)=(3,75.10.100):(100.40.125)=0,075mol
R+R'+44=6,6:0,075=88 suy ra R+R'=44
Voi R=1,R'=43 :HCOOC3H7
R=15,R'=29 :CH3COOC2H5
 
D

dieuhoai

n(NaOH)=(3,75.100.10):(100.40.125)=88
HIIIIIIII minh ko bik viet cong thuc nen mong ban thong cam
 
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