Can you solve this puzzle?

Five grams of sucrose, ethanol, methanol, calcium chloride, and aluminum chloride have been dissolved separately, each in 200 mL of water. These solutions were then placed randomly in the following containers: 250-mL beaker, 250-mL Erlenmeyer flask, 600-mL beaker, 500-mL round bottom flask and a 1-L Florence flask. The containers were then randomly labeled A-E.

It your task to determine each solution’s label and container based upon the following data.

  • The solution in the largest container has the highest boiling point.
  • The sugar solution is in the largest beaker.
  • Flasks hold volatile solutes.
  • Solution A is made with an ionic solid.
  • Solutions labeled with vowels are in beakers.
  • The compound with the lowest molar mass is in the smallest flask.
  • The solution with the lowest freezing point is C.
  • Solute B is a common gasoline additive.

 

 

This puzzle was originally designed as a follow up to the ‘Voltaic Cells’ microscale lab activity developed in Nebraska in the summer of 1988 by Robert Curtright (Lincoln Northeast HS, Lincoln, Nebraska) and Edward Kinzer (Lakeview HS, Columbus, Nebraska).

Original Activity Reference
Russo T., 1986, Redox Introduction, Microchemistry for High School, pp. 60-61

 

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