Найдите объём (н.у.) смеси из N₂O и O₂ массой 9,2 г, в которой φ(O₂)=60 %.

  1. 6,72
  2. 5,6
  3. 4,48
  4. 8,96

📝 Detailed explanation

Доли: 0,6 O₂, 0,4 N₂O. M̄ = 0,6·32+0,4·44=36,8. n=9,2/36,8=0,25 моль → V=5,6 л.
72 / 84 (86%)
Question 72 of 84
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