Calculate the molal boiling-point constant for water that has a boiling point of 100ºC, a heat of vaporization of 539.7 cal/g, and a molecular weight of 18.02. A. 1.86ºC/molal    B. 0.52ºC/molal     C. 0.62ºC/molal     D. 1.06ºC/molal

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