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Determining Osmolarity


To determine which apple variety, McIntosh or Honeycrisp has a higher osmolarity, 24 uniform apple cores were made from each type.

Three of each variety were initially massed and placed in beakers filled with 100 mL of the respective solutions of sucrose: 0.0 M, 0.2 M. 0.4 M, 0.6 M, 0.8 M, and 1.0 M. They were left overnight and massed again the following day. The graph below shows the percent change in mass of the cylinders in each solution of sucrose.

Which of the following are the osmolarities of the McIntosh and Honeycrisp apple varieties, respectively?

Created for Copyright 2016. All rights reserved.


0.30 M and 0.44 M


0.40 M and 0.40 M


0.44 M and 0.30 M


Not enough information provided to make that determination.