Question

Freezing-point depression constant (°C/m) 1.86 Freezing-point of DI water (°C) -0.10 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) 17.28 17.46 17.41 Volume of DI water (mL) 48.9 50.9 49.5 Mass of sodium chloride (g) 1.88 3.81 5.62 Moles of sodium chloride (mol) 0.0322 0.0652 0.0962 Mass of calorimeter + solution (g) 67.93 72.19 72.61 Mass of calorimeter + solution + ice (g) 113.59 117.47 119.38 Freezing-point of solution (°C) -1.63 -3.00 -3.96 Mass of calorimeter + ice after decanting (g) 43.92 41.32 33.65 Mass of ice added (g) 45.66 45.28 46.77 Mass of ice remaining after decanting (g) 26.64 23.86 16.24 Mass of melted ice (g) 19.02 21.42 30.53 Mass of water in final solution (g) 67.79 72.34 80.11 Mass of water in final solution (kg) 0.06779 0.07234 0.08011 Molality of solution (m) 0.475 0.901 1.200 Freezing-point depression (°C) 1.53 2.90 3.86 van't Hoff factor

          Freezing-point depression constant (°C/m)	1.86
Freezing-point of DI water (°C)	-0.10
	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)	17.28	17.46	17.41
Volume of DI water (mL)	48.9	50.9	49.5
Mass of sodium chloride (g)	1.88	3.81	5.62
Moles of sodium chloride (mol)	0.0322	0.0652	0.0962
Mass of calorimeter + solution (g)	67.93	72.19	72.61
Mass of calorimeter + solution + ice (g)	113.59	117.47	119.38
Freezing-point of solution (°C)	-1.63	-3.00	-3.96
Mass of calorimeter + ice after decanting (g)	43.92	41.32	33.65
Mass of ice added (g)	45.66	45.28	46.77
Mass of ice remaining after decanting (g)	26.64	23.86	16.24
Mass of melted ice (g)	19.02	21.42	30.53
Mass of water in final solution (g)	67.79	72.34	80.11
Mass of water in final solution (kg)	0.06779	0.07234	0.08011
Molality of solution (m)	0.475	0.901	1.200
Freezing-point depression (°C)	1.53	2.90	3.86
van't Hoff factor

Freezing-point depression constant (°C/m) 1.86
Freezing-point of DI water (°C) -0.10
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) 17.28 17.46 17.41
Volume of DI water (mL) 48.9 50.9 49.5
Mass of sodium chloride (g) 1.88 3.81 5.62
Moles of sodium chloride (mol) 0.0322 0.0652 0.0962
Mass of calorimeter + solution (g) 67.93 72.19 72.61
Mass of calorimeter + solution + ice (g) 113.59 117.47 119.38
Freezing-point of solution (°C) -1.63 -3.00 -3.96
Mass of calorimeter + ice after decanting (g) 43.92 41.32 33.65
Mass of ice added (g) 45.66 45.28 46.77
Mass of ice remaining after decanting (g) 26.64 23.86 16.24
Mass of melted ice (g) 19.02 21.42 30.53
Mass of water in final solution (g) 67.79 72.34 80.11
Mass of water in final solution (kg) 0.06779 0.07234 0.08011
Molality of solution (m) 0.475 0.901 1.200
Freezing-point depression (°C) 1.53 2.90 3.86
van't Hoff factor

Added by Patricia W.

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