В 200 мл воды растворили 25 г соли. Массовая доля вещества в полученном растворе равна (в %).

  1. 5,0
  2. 11,1
  3. 12,5
  4. 25

📝 Detailed explanation

Масса раствора ≈ 200 г + 25 г = 225 г. ω = 25/225 ≈ 11,1%
16 / 20 (80%)
Question 16 of 20
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