Question

Дано
W(c) = 85,7%
D пов = 1,45
Cx Hy - ?

Answer 1

Ответ:

C3H6

Объяснение:

Mr(CxHy) = D(пов) * Mr(пов) = 1,45 * 29 = 42

Mr(Cx) = Mr(CxHy) * w(C) = 42 * 0.857 = 36

Mr(Hy) = 42 - 36 = 6

x = 36/12 = 3

y = 6

C3H6