Every year, oral rehydration therapy (ORT) –the feeding of an electrolyte solution –saves the lives of countless children worldwide who become severely dehydrated as a result of diarrhea. One requirement of the solution used is that it be isotonic with human blood. An ORT solution contains 3.5 g NaCl, 1.5 g KCI, 2.9 g Na3CgH507 (sodium citrate), and 20.0 g C6H1206 (glucose) per liter. What is the freezing point of this solution? You may assume that the density of the solution is 1.00 g/mL and that the freezing point depression constant (Kf) for water is 1.86 °C/m.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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16.
Every year, oral rehydration therapy (ORT) –the feeding of an
electrolyte solution -saves the lives of countless children worldwide
who become severely dehydrated as a result of diarrhea. One
requirement of the solution used is that it be isotonic with human
blood. An ORT solution contains 3.5 g NaCl, 1.5 g KCI, 2.9 g
Na3CgH507 (sodium citrate), and 20.0 g C6H1206 (glucose) per liter.
What is the freezing point of this solution? You may assume that the
density of the solution is 1.00 g/mL and that the freezing point
depression constant (Kf) for water is 1.86 °C/m.
-0.59 oC
-1.86 oC
0.00 oC
+0.51 оС
-7.44 oC
Transcribed Image Text:16. Every year, oral rehydration therapy (ORT) –the feeding of an electrolyte solution -saves the lives of countless children worldwide who become severely dehydrated as a result of diarrhea. One requirement of the solution used is that it be isotonic with human blood. An ORT solution contains 3.5 g NaCl, 1.5 g KCI, 2.9 g Na3CgH507 (sodium citrate), and 20.0 g C6H1206 (glucose) per liter. What is the freezing point of this solution? You may assume that the density of the solution is 1.00 g/mL and that the freezing point depression constant (Kf) for water is 1.86 °C/m. -0.59 oC -1.86 oC 0.00 oC +0.51 оС -7.44 oC
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