Consider the solubility curves of three salts X, Y and Z given in the diagram….

Chemistry JAMB 1978

Consider the solubility curves of three salts X, Y and Z given in the diagram. If each solution of the salt contains 200 g, and is heated to 100oC, which solution or solutions will deposit 100 g of the solute when suddenly cooled to 0oC?

  • X only
  • Y only
  • Z only
  • X and Z
  • Y and Z checkmark

The correct answer is: E

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