4.
1) A
2) В
3) Г
4) Б
5.
C2H6O - w(C) = 38.7%; w(H) = 9.7%; w(O) = 51.5%
H2CO3 - w(C) = 19.3%; w(H) = 3.2%; w(O) = 77.3%
CH3OH - w(C) = 37.5%; w(H) = 12.6%; w(O)= 49.9%
6.
C6H12O6 - w(C) = 40%; w(H) = 6.7%; w(O) = 53.3%
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Answers & Comments
4.
1) A
2) В
3) Г
4) Б
5.
C2H6O - w(C) = 38.7%; w(H) = 9.7%; w(O) = 51.5%
H2CO3 - w(C) = 19.3%; w(H) = 3.2%; w(O) = 77.3%
CH3OH - w(C) = 37.5%; w(H) = 12.6%; w(O)= 49.9%
6.
C6H12O6 - w(C) = 40%; w(H) = 6.7%; w(O) = 53.3%