Найдите массу 25 молей кислорода (г).

  1. 144
  2. 800
  3. 270
  4. 600

📝 Detailed explanation

Молярная масса кислорода M(O₂) = 32 г/моль.
m = ν · M = 25 · 32 = 800 г.
2 / 30 (7%)
Question 2 of 30
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