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lola134
@lola134
October 2021
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массовая доля углерода в молекуле муравиного альдегида равна(%)
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Verified answer
Дано:
HCOH
найти: w(C)
решение:
w(э) = Ar(э)·n(э)\Mr(в-ва)
Mr(HCOH) = 1+12+16+1 = 30
w(C) = 12·1\30 = 0,4, или 40%
ответ:w(C)= 40%
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Answers & Comments
Verified answer
Дано:HCOH
найти: w(C)
решение:
w(э) = Ar(э)·n(э)\Mr(в-ва)
Mr(HCOH) = 1+12+16+1 = 30
w(C) = 12·1\30 = 0,4, или 40%
ответ:w(C)= 40%