How do I solve for the freezing point depression?

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter13: Titrations In Analytical Chemistry
Section: Chapter Questions
Problem 13.10QAP
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How do I solve for the freezing point depression?

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Dashboard UF Application for.
H Mail - Garmar Sutto..
A Macmillan Learning.
O Other favorites
Lab Data
SUBMIT
Molar mass (g/mol)
58.44
58.44
58.44
Mass of calorimeter (g)
17.22
PHASE 5:
Volume of DI water (mL)
47.1
Measure freezing-point of
solution 1
Mass of sodium chloride (g)
1.97
Complete the following steps:
Moles of sodium chloride (mol)
0.0337
sink and decant solution
Mass of calorimeter + solution (g)
66.51
Weigh calorimeter and
remaining ice on balance.
Record mass in Lab Data
7
Mass of calorimeter + solution + ice (g)
110.84
Freezing-point of solution (°C)
-1.63
Wash/Waste
Mass of calorimeter + ice after decanting (g)
39.88
Place used calorimeter in
Mass of ice added (g)
44.33
Wash/Waste bin
Mass of ice remaining after decanting (g)
22.66
Calculate following and record
in Lab Data
Mass of melted ice (g)
0.00 g
21.67
• Mass of ice added
• Mass of ice remaining
• Mass of melted ice
• Mass of water in solution (in
TARE
Mass of water in final solution (g)
68.99
Mass of water in final solution (kg)
0.06899
Molality of solution (m)
0.489
grams and kilograms)
• Molality
• Freezing-point depression
Freezing-point depression (°C)
van't Hoff factor
DATA
SHOW LABELS
GO TO PHASЕ 6
How to calculate van't Hoff factor
PHASES
10:45 PM
P Type here to search
99+
2/8/2021
20
立
Transcribed Image Text:Afr R Fou b firs b firs firs , hist b Ь Ans > cou lab Lab ho h Ans Pas gm Ne + Ô https://newconnect.mheducation.com Dashboard UF Application for. H Mail - Garmar Sutto.. A Macmillan Learning. O Other favorites Lab Data SUBMIT Molar mass (g/mol) 58.44 58.44 58.44 Mass of calorimeter (g) 17.22 PHASE 5: Volume of DI water (mL) 47.1 Measure freezing-point of solution 1 Mass of sodium chloride (g) 1.97 Complete the following steps: Moles of sodium chloride (mol) 0.0337 sink and decant solution Mass of calorimeter + solution (g) 66.51 Weigh calorimeter and remaining ice on balance. Record mass in Lab Data 7 Mass of calorimeter + solution + ice (g) 110.84 Freezing-point of solution (°C) -1.63 Wash/Waste Mass of calorimeter + ice after decanting (g) 39.88 Place used calorimeter in Mass of ice added (g) 44.33 Wash/Waste bin Mass of ice remaining after decanting (g) 22.66 Calculate following and record in Lab Data Mass of melted ice (g) 0.00 g 21.67 • Mass of ice added • Mass of ice remaining • Mass of melted ice • Mass of water in solution (in TARE Mass of water in final solution (g) 68.99 Mass of water in final solution (kg) 0.06899 Molality of solution (m) 0.489 grams and kilograms) • Molality • Freezing-point depression Freezing-point depression (°C) van't Hoff factor DATA SHOW LABELS GO TO PHASЕ 6 How to calculate van't Hoff factor PHASES 10:45 PM P Type here to search 99+ 2/8/2021 20 立
O Afr
R Fou
> first b firs firs b hist
b Ans
b Ans
b COu
lab
Lab
ho h
Ans
Pas
gm
Ne
+
Ô https://newconnect.mheducation.com
Dashboard UF Application for.
H Mail - Garnar Sutto.
A Macmillan Learning.
O Other favorites
CHEMISTRY • DETERMINE VAN'T HOFF FACTOR
SUBMIT
Lab Data
PHASE 5:
Freezing-point depression constant (°C/m)
1.86
Measure freezing-point of
solution 1
Freezing-point of DI water (°C)
0.10
Complete the following steps:
Solution 1
Solution 2
Solution 3
sink and decant solution
Sodium chloride
NaCl
NaCl
Nacl
Weigh calorimeter and
remaining ice on balance.
Record mass in Lab Data
7
Molar mass (g/mol)
58.44
58.44
58.44
Mass of calorimeter (g)
17.22
Wash/Waste
Volume of DI water (mL)
47.1
Place used calorimeter in
Wash/Waste bin
Mass of sodium chloride (g)
1.97
Moles of sodium chloride (mol)
0.0337
Calculate following and record
in Lab Data
Mass of calorimeter + solution (g)
0.00 g
66.51
• Mass of ice added
• Mass of ice remaining
• Mass of melted ice
• Mass of water in solution (in
TARE
Mass of calorimeter + solution + ice (g)
110.84
Freezing-point of solution (°C)
-1.63
Mass of calorimeter + ice after decanting (g)
grams and kilograms)
• Molality
• Freezing-point depression
39.88
Mass of ice added (g)
44.33
Mass of ice remaining after decanting (g)
22.66
DATA
SHOW LABELS
GO TO PHASE 6
Mass of melted ice (g)
21.67
Mass of water in final solution (q)
68.99
PHASES
11:20 PM
P Type here to search
99+
2/8/2021
近
Transcribed Image Text:O Afr R Fou > first b firs firs b hist b Ans b Ans b COu lab Lab ho h Ans Pas gm Ne + Ô https://newconnect.mheducation.com Dashboard UF Application for. H Mail - Garnar Sutto. A Macmillan Learning. O Other favorites CHEMISTRY • DETERMINE VAN'T HOFF FACTOR SUBMIT Lab Data PHASE 5: Freezing-point depression constant (°C/m) 1.86 Measure freezing-point of solution 1 Freezing-point of DI water (°C) 0.10 Complete the following steps: Solution 1 Solution 2 Solution 3 sink and decant solution Sodium chloride NaCl NaCl Nacl Weigh calorimeter and remaining ice on balance. Record mass in Lab Data 7 Molar mass (g/mol) 58.44 58.44 58.44 Mass of calorimeter (g) 17.22 Wash/Waste Volume of DI water (mL) 47.1 Place used calorimeter in Wash/Waste bin Mass of sodium chloride (g) 1.97 Moles of sodium chloride (mol) 0.0337 Calculate following and record in Lab Data Mass of calorimeter + solution (g) 0.00 g 66.51 • Mass of ice added • Mass of ice remaining • Mass of melted ice • Mass of water in solution (in TARE Mass of calorimeter + solution + ice (g) 110.84 Freezing-point of solution (°C) -1.63 Mass of calorimeter + ice after decanting (g) grams and kilograms) • Molality • Freezing-point depression 39.88 Mass of ice added (g) 44.33 Mass of ice remaining after decanting (g) 22.66 DATA SHOW LABELS GO TO PHASE 6 Mass of melted ice (g) 21.67 Mass of water in final solution (q) 68.99 PHASES 11:20 PM P Type here to search 99+ 2/8/2021 近
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