Benzoic acid (C6H5COOH) Find the following with the given data: Freezing point of lauric acid Freezing point of solution Freezing point depression Molality of solution Moles of unknown solute

Introductory Chemistry: A Foundation
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Unknown: Benzoic acid (C6H5COOH) Find the following with the given data: Freezing point of lauric acid Freezing point of solution Freezing point depression Molality of solution Moles of unknown solute
Mass of Lauric acid = 80.00 g
%3!
Mass of unknown = 10.00 g
Lauric acid
Lauric acid + unknown
Time
Temp
Time
Temp
Time
Temp
Time
Temp
75.00
105
48.50
73.50
105
45.00
15
68.50
120
46.00
15
72.35
120
42.60
30
63.50
135
46.00
30
67.80
135
42.60
45
61.00
150
46.00
45
63.60
150
42.60
60
56.00
165
46.00
60
60.85
165
42.60
75
50.25
180
45.00
75
56.50
180
38.00
90
48.75
195
44.80
90
48.75
195
37.50
Additional information: Kf of lauric acid = 3.9 °C/m
Transcribed Image Text:Mass of Lauric acid = 80.00 g %3! Mass of unknown = 10.00 g Lauric acid Lauric acid + unknown Time Temp Time Temp Time Temp Time Temp 75.00 105 48.50 73.50 105 45.00 15 68.50 120 46.00 15 72.35 120 42.60 30 63.50 135 46.00 30 67.80 135 42.60 45 61.00 150 46.00 45 63.60 150 42.60 60 56.00 165 46.00 60 60.85 165 42.60 75 50.25 180 45.00 75 56.50 180 38.00 90 48.75 195 44.80 90 48.75 195 37.50 Additional information: Kf of lauric acid = 3.9 °C/m
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