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(B) The elevation in boiling point is a colligative property,which depends on the total number of solute particles in the solution. For solutions with

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$1.0 \ M \ Na_{2}SO_{4}$

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(B) The elevation in boiling point is a colligative property,which depends on the total number of solute particles in the solution. For solutions with the same molar concentration,the one that produces the highest number of ions upon dissociation will exhibit the highest boiling point. Aqueous SolutionNumber of Ions Produced$1.0 \ M \ NaOH \rightarrow Na^{+} + OH^{-}$$2$$1.0 \ M \ Na_{2}SO_{4} \rightarrow 2Na^{+} + SO_{4}^{2-}$$3$$1.0 \ M \ NH_{4}NO_{3} \rightarrow NH_{4}^{+} + NO_{3}^{-}$$2$$1.0 \ M \ KNO_{3} \rightarrow K^{+} + NO_{3}^{-}$$2$Since $Na_{2}SO_{4}$ produces the maximum number of ions ($3$ ions per formula unit),it will have the highest boiling point.

Which of the following aqueous solutions should have the highest boiling point?

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