The normal boiling point of a certain liquid X is 113.00°C, but when 0.26kg of barium hydroxide (BaOH2) are dissolved in 850.g of X the solution boils at 115.2°C instead. Use this information to calculate the molal boiling point elevation constant Kb of X.Round your answer to 2 significant digits. =Kb⋅°Ckgmol

Chemistry: Matter and Change
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Chapter14: Mixtures And Solutions
Section: Chapter Questions
Problem 120A
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The normal boiling point of a certain liquid X is 113.00°C, but when 0.26kg of barium hydroxide (BaOH2) are dissolved in 850.g of X the solution boils at 115.2°C instead. Use this information to calculate the molal boiling point elevation constant Kb of X.Round your answer to 2 significant digits.

=Kb⋅°Ckgmol

 

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