In an investigation of osmosis, apple cores were submerged in different molarity solutions to determine the unknown osmolarity of the apple. To determine the molarity five uniform apple cores were massed before submerging them in different molarity solutions. After 24 hours the apple cores were massed again. Then the percent change in mass was determined for the five uniform apple cores in each molarity solution.Molarity of SolutionAverage % Change of Mass of Apple Cores0.0 M21.50.2 M8.00.4 M-7.40.6 M-19.20.8 M-22.71.0 M-36.3(b) Identify the osmolarity of the apple.(c) Describe the environmental conditions taking place in each of the six solutions with the apples.

The graph is drawn change of against molarity of the solution and average percentage change of mass…

Answered: (b) Identify the osmolarity of the…

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter3: The Plasma Membrane And Membrane Potential

Section: Chapter Questions

Problem 6RE

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In an investigation of osmosis, apple cores were submerged in different molarity solutions to determine the unknown osmolarity of the apple. To determine the molarity five uniform apple cores were massed before submerging them in different molarity solutions. After 24 hours the apple cores were massed again. Then the percent change in mass was determined for the five uniform apple cores in each molarity solution.

Molarity of Solution	Average % Change of Mass of Apple Cores
0.0 M	21.5
0.2 M	8.0
0.4 M	-7.4
0.6 M	-19.2
0.8 M	-22.7
1.0 M	-36.3

(b) Identify the osmolarity of the apple.

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