A chemistry student prepares a solution of an unknown solid with a molar mass of 78.3 g/mol. She prepares the solution by dissolving 2.50 g of the unknown substance in 100.0 g of water. Which of the following procedures could she use to determine whether the unknown substance is an electrolyte?
A.
She could measure the specific heat of the solution.
B.
She could measure the volume of the solution.
C.
She could measure the freezing point of the solution.
D.
She could determine the specific heat of the solution.
Exam No：AP Chemistry Problem Set 5 Year：2024 Question No：APChemistry2024AP0178
Answer:
C
Knowledge points:
2.5 Lewis Diagrams
Solution:
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