What are the freezing points and boiling points of the following solutions? ote: Reference the Molal freezing point depression and boiling point elevation constants table for additional information. Part 1 of 4 What is the freezing point of 30.2 g NaCl in 135 mL of water. Be sure your answer has the correct number of significant digits. Freezing point: °C ☐ x10 × G

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section13.6: Expressing Solution Composition
Problem 13.8PSP
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What are the freezing points and boiling points of the following solutions?
Note: Reference the Molal freezing point depression and boiling point elevation constants table for additional information.
Part 1 of 4
What is the freezing point of 30.2 g NaCl in 135 mL of water. Be sure your answer has the correct number of significant digits.
Freezing point:
°C
x10
х
Part 2 of 4
What is the boiling point of 30.2 g NaC1 in 135 mL of water. Be sure your answer has the correct number of significant digits.
Boiling point:
°C
x10
Transcribed Image Text:What are the freezing points and boiling points of the following solutions? Note: Reference the Molal freezing point depression and boiling point elevation constants table for additional information. Part 1 of 4 What is the freezing point of 30.2 g NaCl in 135 mL of water. Be sure your answer has the correct number of significant digits. Freezing point: °C x10 х Part 2 of 4 What is the boiling point of 30.2 g NaC1 in 135 mL of water. Be sure your answer has the correct number of significant digits. Boiling point: °C x10
The concentration of commercially available concentrated sulfuric acid is 95.0 percent by mass, or 17.8 M. Calculate the molality and density of the solution. Be
sure each of your answer entries has the correct number of significant digits.
Part 1 of 2
Molality =
m
Part 2 of 2
g
Density =
x10
mL
Transcribed Image Text:The concentration of commercially available concentrated sulfuric acid is 95.0 percent by mass, or 17.8 M. Calculate the molality and density of the solution. Be sure each of your answer entries has the correct number of significant digits. Part 1 of 2 Molality = m Part 2 of 2 g Density = x10 mL
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