Practice Quiz

CLEP Chemistry Practice Test

Category - Chemistry

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A crystal of table salt (NaCl) is dissolved in water. Which of the following statements explains why the dissolved salt does not recrystallize as long as the temperature and the amount of water stay constant?
  1. Na+ and Cl- ions lose their charges in the water.
  2. Water molecules surround the Na+ and Cl- ions.
  3. Na+ and Cl- ions leave the water through vaporization.
  4. Water molecules chemically react with the Na+ and Cl- ions.
Explanation
Answer: B - Water molecules surround the Na+ and Cl- ions.
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