If the liquid being distilled contains dissolved ammonia gas, where will it be found after distillation is completed?

Correct answer: B. In the condenser

  • A. Around the thermometer
  • B. In the condenser
  • C. In the circulating water
  • D. In the heated flask

Explanation

The behavior of a substance during distillation depends on its volatility. Ammonia is a gas at room temperature and only stays in water because it is "dissolved." When you heat the mixture in the flask, the ammonia molecules gain energy and escape the liquid almost immediately. They travel as a gas into the condenser, where the cold temperature turns the water vapor back into liquid. Because ammonia loves water (high solubility), it dissolves right back into those fresh water drops and ends up in the collection beaker.

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