Mos ravishda 2:1 mol nisbatda olingan X gaz (tarkibi C, H va Cl dan iborat) va vodorod sulfiddan iborat 13,5 g aralashma 27 °C harorat va 83,1 kPa bosimda 9 l hajmni egalladi. Ushbu gazlar aralashmasi tarkibidagi vodorod atomlarining umumiy massasini (g) toping.

  1. 0,8
  2. 1
  3. 0,9
  4. 0,7

📝 Detailed explanation

Mendeleyev–Klapeyron: PV = nRT → n = PV/(RT) = 83,1·9/(8,31·300) = 748/2493 ≈ 0,3 mol.
X:H₂S = 2:1 → X = 0,2 mol; H₂S = 0,1 mol.
H₂S massasi: 0,1·34 = 3,4 g. X massasi: 13,5 − 3,4 = 10,1 g. M(X) = 50,5.
50,5 = 12a + b + 35,5c. Sinab ko'ramiz: CH₃Cl: 50,5 ✓ (12+3+35,5=50,5).
H₂S dagi H massasi: 0,1·2·1 = 0,2 g.
CH₃Cl dagi H: 0,2·3·1 = 0,6 g.
Jami H massasi: 0,2 + 0,6 = 0,8 g.
Javob: 0,8 g.
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