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itstrapshit
@itstrapshit
June 2022
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Определите молекулярную формулу вещества, если состав: С-92,23% H-7,77%. Плотность по водороду равна 13. Заранее спасибочкиии<3
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alinochka1608
Решение:
M(вещ-ва)=13*2=26 г.моль
x:y=92.23/12:7.77/1=7.68:7.77
x:y=7.68/7.68:7.77/7.68=1:1=>CH-простейшая формула
12n+n=26
13n=26
n=2=>C2H2
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itstrapshit
спасииииибооооо
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Answers & Comments
M(вещ-ва)=13*2=26 г.моль
x:y=92.23/12:7.77/1=7.68:7.77
x:y=7.68/7.68:7.77/7.68=1:1=>CH-простейшая формула
12n+n=26
13n=26
n=2=>C2H2