Multiple Choice
Which of the following is an example of a nonelectrolyte?
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6. Chemical Quantities & Aqueous Reactions
Electrolytes
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Which of the following electrolytes carries a positive charge?
A
SO_4^{2-}
B
Cl^-
C
K^+
D
Na^+
Verified step by step guidance1
Identify the charge on each electrolyte by examining their chemical formulas and charge notations.
For \(SO_4^{2-}\), recognize that the superscript \$2-$ indicates it carries a negative charge (an anion).
For \(Cl^-\), note that the superscript \(-\) also indicates a negative charge (an anion).
For \(K^+\) and \(Na^+\), observe that the superscript \(+\) indicates a positive charge (cations).
Conclude that electrolytes with a positive charge are those with a \(+\) superscript, such as \(K^+\) and \(Na^+\).
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