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AP® Chemistry

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Electrolytes

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Kim Istry was tired and thirsty after her soccer game, so she drank a sports drink that contained electrolytes. Kim knows that when electrolytes dissolve in water, they produce solutions that can conduct an electric current. She also knows that the type of bonding in a substance can determine whether or not it is an electrolyte.

Which of the following substances is classified as an electrolyte?

A

Sodium chloride, $NaCl$.

B

Glucose, $C_6H_{12}O_6$.

C

Water, $H_2O$.

D

Ethanol, $C_2H_5OH$.