Определите массу (г) 0,25 моль газа с плотностью 1,34 г/л (н.у.).

  1. 7,5 г
  2. 30 г
  3. 5,36 г
  4. 2,8 г

📝 Detailed explanation

M = ρ ⋅ Vm = 1,34 ⋅ 22,4 = 30 г/моль
m = n ⋅ M = 0,25 ⋅ 30 = 7,5 г
9 / 10 (90%)
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