2. Which compound has the least freezing point depression?  a. Potassium oxide b. Sodium chloride c. Glucose d. Barium hydroxide

World of Chemistry, 3rd edition
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Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
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Chapter15: Solutions
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Problem 12A
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1. What will be the change in freezing point temperature (in °C) of potassium oxide when added to 500 milliliters of 

2. Which compound has the least freezing point depression? 

a. Potassium oxide
b. Sodium chloride
c. Glucose
d. Barium hydroxide
Compound
Weight (in grams)
Molecular Weight
Barium hydroxide
10
171.34 g/mol
Sodium chloride
25
58.44 g/mol
Glucose
40
180.156 g/mol
Potassium oxide
50
94.2 g/mol
Water:
Cryoscopic constant = 1.86 °C/m
Ebullioscopic constant = 0.51 °C/m
Transcribed Image Text:Compound Weight (in grams) Molecular Weight Barium hydroxide 10 171.34 g/mol Sodium chloride 25 58.44 g/mol Glucose 40 180.156 g/mol Potassium oxide 50 94.2 g/mol Water: Cryoscopic constant = 1.86 °C/m Ebullioscopic constant = 0.51 °C/m
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