What is the boiling point of a 0.50 m aqueous solution of Al(NO₃)₃? (The boiling point elevation constant for water is 0.512^°C/m. )

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Quizplus · Accepted Answer

The boiling point elevation is calculated using ΔT = i * K_b * m, where i is the van't Hoff factor (4 for Al(NO3)3), K_b is the boiling point elevation constant (0.512°C/m), and m is the molality (0.50 m). ΔT = 4 * 0.512 * 0.50 = 1.024°C. The new boiling point is 100°C + 1.024°C = 101.02°C.

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