Предмет: Химия, автор: valerastronski

Решите задачу по химии плз срочно надо!!!!!!!!!!!

Определить формулу вещества содержащего w(C) = 54.5% ; w(H) = 9.1% ; w(O) = 36.4%

Ответы

Автор ответа: gusmakvlad

2

(C) 54.5/12 ; (H) = 9.1/1 ; (O) = 36.4/16
получаем
4.542 : 9.1 :2.275 сокращаем на 2.275 и получаем
2 : 4 : 1
C2H4O
CH3CHO этаналь

valerastronski: а почему эттаналь?

gusmakvlad: потому что альдегид

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