Question: COLLIGATIVE PROPERTIES FREEZING-POINT DEPRESSION INTRODUCTION LABORATORY DILATION Lab Data Freezing-point depression constant (C/m) Freezing-point of DI water ('C) 1.86 -0.20 - X Solution 1

COLLIGATIVE PROPERTIES FREEZING-POINT DEPRESSION INTRODUCTION LABORATORY DILATION Lab Data Freezing-point depression constant ("C/m) Freezing-point of DI water ('C) 1.86 -0.20 - X Solution 1 Solution 2 Solution 3 Sodium chloride NaCl NaCl NaCl Molar mass (g/mol) 58.44 58.44 58.44 Mass of calorimeter (g) 17.22 17.45 Volume of DI water (mL) 47.5 48.3 Mass of sodium chloride (g) 1.97 4.06 Moles of sodium chloride (mol) 0.0337 Mass of calorimeter + solution (g) 66.51 Mass of calorimeter + solution + ice (g) 110.84 Freezing-point of solution ("C) -1.93 Mass of calorimeter + ice after decanting (g) 39.88 Mass of ice added (g) 44.33 Mass of ice remaining after decanting (g) 22.66 Mass of melted ice (g) 21.67 Mass of water in final solution (g) Mass of water in final solution (kg) 68.99 0.06899 Molality of solution (m) Freezing-point depression ("C) 0.488 LAB DATA 1.73 van't Hoff factor How to calculate van't Hoff factor

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