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Аллександия
@Аллександия
July 2022
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дано:
W(H2)=14,24%
D(h2)=21
найти:
CxHy-?
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Answers & Comments
Platinum15
Verified answer
Mr(CxHy) = 42
w(C) = 100 - 14.24 = 85.76 %
Возьмем 100 г этого вещества
тогда
m(C) = 85.76 /100 *42=36 г
n(C) =36/12=3 моль
m(H) = 14.24 /100 *42 =6
n(H) = 6/1 = 6 моль
n(C) : n(H) = 3:6
C3H6 пропен
1 votes
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Answers & Comments
Verified answer
Mr(CxHy) = 42w(C) = 100 - 14.24 = 85.76 %
Возьмем 100 г этого вещества
тогда
m(C) = 85.76 /100 *42=36 г
n(C) =36/12=3 моль
m(H) = 14.24 /100 *42 =6
n(H) = 6/1 = 6 моль
n(C) : n(H) = 3:6
C3H6 пропен