In an ideal solution, the activity of a component equals its __________________?
Correct answer: A. Mole fraction
- A. Mole fraction
- B. Fugacity at the same temperature and pressure
- C. Partial pressure
- D. None of these
Explanation
For an ideal solution, Raoult's-law behaviour gives the activity of component i as its mole fraction, ai = xi. Fugacity and partial pressure are related quantities, but they are not generally equal to the activity itself.
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