Предмет: Химия, автор: lamps

При галогенировании 45 л пропадиена присоединилось 80 л Cl2 (н.у). Определить процент выхода

Ответы

Автор ответа: kristy115
0

CH2=CH-CH=CH2 + 2Cl2 = CH2Cl-CHCl-CHCl-CH2Cl

n(C4H6)=45/22,4=2моль

n(Cl2)=80/22,4=3,5моль

m(Cl2)=3,5*71=248,5г

nт(Cl2)=n(C4H6)*2=4моль

mт(Cl2)=4*71=284г

%выхода=248,5/284=0,875=87,5%

 

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