Express the molality to two significant figures. molality = 0.66 m NaCl Submit Previous Answers All attempts used; correct answer displayed Note that the molality of a solution is the moles of solute per kilogram of Solving for the molality begins with determining the amount of the solute mass. This value is then divided by the mass of the solvent (in kilogram Part B Calculate the mole fraction of the solution. Express the mole fraction to two significant figures. X = 1.2x10-²

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MISSED THIS? Watch KCV 13.5. IWE 13.5: Read Section 13.5. You can click
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An aqueous solution contains 3.7 % NaCl by mass.
Express the molality to two significant figures.
molality= 0.66 m NaCl
Submit Previous Answers
All attempts used; correct answer displayed
Note that the molality of a solution is the moles of solute per kilogram of
Solving for the molality begins with determining the amount of the solute
mass. This value is then divided by the mass of the solvent (in kilograms
Part B
Calculate the mole fraction of the solution.
Express the mole fraction to two significant figures.
X= 1.2x10-²
Submit
Previous Answers
Transcribed Image Text:MISSED THIS? Watch KCV 13.5. IWE 13.5: Read Section 13.5. You can click on the Review link to access the section in your e Text. An aqueous solution contains 3.7 % NaCl by mass. Express the molality to two significant figures. molality= 0.66 m NaCl Submit Previous Answers All attempts used; correct answer displayed Note that the molality of a solution is the moles of solute per kilogram of Solving for the molality begins with determining the amount of the solute mass. This value is then divided by the mass of the solvent (in kilograms Part B Calculate the mole fraction of the solution. Express the mole fraction to two significant figures. X= 1.2x10-² Submit Previous Answers
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