1) n (E) = W / M
n (C) = 85,7 / 12 = 7,1 → 1
n (H) = 14,3 / 1 = 14,3 → 2
M = D (H2) × M (H2) = 14 × 2 = 28 г/моль
Формула: C2H4
2) n (E) = W / M
n (C) = 80 / 12 = 6,6 → 1
n (H) = 20 / 1 = 20 → 3
M = D (H2) × M (H2) = 15 × 2 = 30 г/моль
Формула: C2H6
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Answers & Comments
1) n (E) = W / M
n (C) = 85,7 / 12 = 7,1 → 1
n (H) = 14,3 / 1 = 14,3 → 2
M = D (H2) × M (H2) = 14 × 2 = 28 г/моль
Формула: C2H4
2) n (E) = W / M
n (C) = 80 / 12 = 6,6 → 1
n (H) = 20 / 1 = 20 → 3
M = D (H2) × M (H2) = 15 × 2 = 30 г/моль
Формула: C2H6