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Arizona Snowbowl Empl x / Northern Arizona Univers X aplinglearning.com/ibiscms/mod/ibis/view.php?id-1913735 Northern Arizona University-CHM 151-Fall15-LEE Activities and Due Dates Chapter 12 Qutz-Extra Credit P 12/9/2015 11:55 PM Grad Question 3 of 3 Mapdo A-11.0 (a common temperature for household freezers), what is the maximum mass of maltitol CH240) you can add to 2.00 kg of pure water and still have the solution freeze? Assume that matitol is a molecular solid and does not ionize when it dissolves in water. Ke values are given here. Number oPreous @Next Save And Ext

Explanation / Answer

Freezing point of water is 00C. Say x is the required max. mass of maltitol.

Using depression of freezing point expression:(https://en.wikipedia.org/wiki/Freezing-point_depression)

{ 0-(-11) } K = 1*1.853 K·kg/mol* {(x/344.31)/2}

x= 11*688.62/1.853 = 4087 g

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