14. Solutions
Freezing Point Depression
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ANSWERS OPTIONS
A
i = 2.45
B
i = 2.95
C
i = 2.71
D
i = 2.85
The freezing point of an aqueous solution of calcium chloride (CaCl2) is –2.00 °C. The solution was prepared by dissolving 19.8 g of CaCl2 in 450 g of water. What is the value of the van't Hoff factor (i) for CaCl2? (Kf for water = 1.86 °C•kg/mol)