Which aqueous solution has the lowest freezing point? (Assume complete dissociation for electrolytes) O a. 0.10 m HCI O b.0.10 (NH4)2S O c. 0.20 m C₂H5OH O d. 0.20 m K₂SO4 Ⓒe.0.20 Fel3 QUESTION 3 What is the freezing point of a solution prepared from 45.0 g ethylene glycol (C2H602) and 85.0 g H20? Kf of water is 1.86°Clm. O a.-15.9°C O b. 15.9°C O c.-159°C O d.-1.50°C O e. 1.50°C
Which aqueous solution has the lowest freezing point? (Assume complete dissociation for electrolytes) O a. 0.10 m HCI O b.0.10 (NH4)2S O c. 0.20 m C₂H5OH O d. 0.20 m K₂SO4 Ⓒe.0.20 Fel3 QUESTION 3 What is the freezing point of a solution prepared from 45.0 g ethylene glycol (C2H602) and 85.0 g H20? Kf of water is 1.86°Clm. O a.-15.9°C O b. 15.9°C O c.-159°C O d.-1.50°C O e. 1.50°C
Chemistry: Principles and Reactions
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Question
![✓ Question Completion Status:
Which aqueous solution has the lowest freezing point? (Assume complete dissociation for electrolytes)
O a. 0.10 m HCI
O b.0.10 (NH4)2S
O c. 0.20 m C₂H5OH
O d. 0.20 m K₂SO4
Ⓒe.0.20 Fel3
QUESTION 3
What is the freezing point of a solution prepared from 45.0 g ethylene glycol (C2H602) and 85.0 g H2O? Kf of water is 1.86°C/m.
O a.-15.9°C
Ob. 15.9°C
Oc.-159°C
O d.-1.50°C
O e. 1.50°C
QUESTION 4
A 29.90 g sample of an unknown substance (nonelectrolyte) is mixed with 250.0 g of stearic acid. The freezing point depression was
6.7°C. Calculate molar mass of the unknown substance. kf of stearic acid is 5.1°C/m
O 155 6 almol
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2.5 pol
Sav](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F23f54c76-b762-419b-8fbe-ee40e7662c11%2Fd3d8480e-0529-4a5e-84b1-4d5720c2c64c%2F0zgsd95_processed.jpeg&w=3840&q=75)
Transcribed Image Text:✓ Question Completion Status:
Which aqueous solution has the lowest freezing point? (Assume complete dissociation for electrolytes)
O a. 0.10 m HCI
O b.0.10 (NH4)2S
O c. 0.20 m C₂H5OH
O d. 0.20 m K₂SO4
Ⓒe.0.20 Fel3
QUESTION 3
What is the freezing point of a solution prepared from 45.0 g ethylene glycol (C2H602) and 85.0 g H2O? Kf of water is 1.86°C/m.
O a.-15.9°C
Ob. 15.9°C
Oc.-159°C
O d.-1.50°C
O e. 1.50°C
QUESTION 4
A 29.90 g sample of an unknown substance (nonelectrolyte) is mixed with 250.0 g of stearic acid. The freezing point depression was
6.7°C. Calculate molar mass of the unknown substance. kf of stearic acid is 5.1°C/m
O 155 6 almol
Click Save and Submit to save and submit. Click Save All Answers to save all answers.
2.5 pol
Sav
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