Multiple Choice
Which of the following best explains how conductivity measurements can be used to distinguish between a strong acid and a weak acid in aqueous solution?
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6. Chemical Quantities & Aqueous Reactions
Electrolytes
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Which of the following is an example of a nonelectrolyte?
A
NaCl (sodium chloride)
B
KNO3 (potassium nitrate)
C
HCl (hydrochloric acid)
D
C6H12O6 (glucose)
Verified step by step guidance1
Understand the definition of an electrolyte: substances that dissociate into ions when dissolved in water, allowing the solution to conduct electricity.
Recognize that strong electrolytes, such as NaCl, KNO3, and HCl, dissociate completely into their respective ions in aqueous solution.
Identify nonelectrolytes as substances that dissolve in water but do not dissociate into ions, thus not conducting electricity.
Note that C6H12O6 (glucose) is a molecular compound that dissolves in water without ionizing, making it a nonelectrolyte.
Conclude that among the given options, glucose is the example of a nonelectrolyte because it does not produce ions in solution.
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