дано
D(H2) = 31
W(C) = 38.7% = 0.387
W(O) = 51.6% = 0.516
W(H) = 9.7% = 0.097
-------------------
CxHyOz-?
M(CxHyOz) = D(H2) *2 = 62 g/mol
CxHyOz / M(CxHyOz) = W(C) / Ar(C) : W(H) / Ar(H) : W(O) / Ar(O)
CxHyOz / 62 = 0.387 / 12 : 0.097 / 1 : 0.516 / 16
CxHyOz = 2 : 6 :2
C2H6O2
ответ : ЭТИЛЕНГЛИКОЛЬ
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дано
D(H2) = 31
W(C) = 38.7% = 0.387
W(O) = 51.6% = 0.516
W(H) = 9.7% = 0.097
-------------------
CxHyOz-?
M(CxHyOz) = D(H2) *2 = 62 g/mol
CxHyOz / M(CxHyOz) = W(C) / Ar(C) : W(H) / Ar(H) : W(O) / Ar(O)
CxHyOz / 62 = 0.387 / 12 : 0.097 / 1 : 0.516 / 16
CxHyOz = 2 : 6 :2
C2H6O2
ответ : ЭТИЛЕНГЛИКОЛЬ