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Мария1108
@Мария1108
July 2022
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niet97
M(koh)=56*0.02=1.12
n(koh)=1.12/56=0.02
Mr(R-COOH)=5.6/0.02=280
Mr(2h2)=2*2=4
Mr1(R-COOH)=280+4=284
Mr(R-)=284-COOH=284-45=239
R=CnH2n+1=14n+1
14n=239-1
n=238/14
n=17
формула C17H31-COOH-линолевая кислота
C17H31COOH+2H2=Pt,(P-давления)=>C17H35COOH стеариновая кислота
CH2-OH CH2-O-CO-C17H35
I I
CH-OH +3C17H35COOH= CH-O-CO-C17H35 +3H2O
I I
CH2-OH CH2-O-CO-C17H35
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Answers & Comments
n(koh)=1.12/56=0.02
Mr(R-COOH)=5.6/0.02=280
Mr(2h2)=2*2=4
Mr1(R-COOH)=280+4=284
Mr(R-)=284-COOH=284-45=239
R=CnH2n+1=14n+1
14n=239-1
n=238/14
n=17
формула C17H31-COOH-линолевая кислота
C17H31COOH+2H2=Pt,(P-давления)=>C17H35COOH стеариновая кислота
CH2-OH CH2-O-CO-C17H35
I I
CH-OH +3C17H35COOH= CH-O-CO-C17H35 +3H2O
I I
CH2-OH CH2-O-CO-C17H35