Предмет: Химия, автор: Ilya27022002

помогите, пожалуйста

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Автор ответа: ProXumik

3

Дано:
w(C)=88.89%
w(H)=11.11
D(возд)-1.862

Найти:
CxHy, x-?, y-?.

Решение:
Ищем истинную молекулярную формулу и сравниваем с получившейся.
Мr(CxHy)=29(это Мr воздуха, если что...)*1.862=54 г/моль.

•Ищем индекс углерода.
(54*88.89%)/(12*100%)=4

•Ищем индекс водорода.
(54*11.11%)/(1*100%)=6
Подставляем...

С4Н6

Парапапапам..
Ответ. С4Н6

ProXumik: обращайся, а я обращусь по неорганике)

Ilya27022002: хорошо. спасибо

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