Question

A student designs an experiment to test the conductivity of distilled water and salt water. The experimental set-up and results are shown below.

Which of the following BEST explains why salt water helped conduct electricity?

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1 point
Captionless Image
Salt is a strong electrolyte and when dissolved in water, the sodium and chlorine ions bond with water molecules to produce electricity.
Salt is a strong electrolyte and when dissolved in water, the sodium and chlorine ions are separated and carry electricity through the water.
Salt is a weak electrolyte and when dissolved in water, the sodium and chlorine ions bond with water molecules to produce electricity.
Salt is a weak electrolyte and when dissolved in water, the sodium and chlorine ions are separated and carry electricity through the water.

Answer 1

Salt is a strong electrolyte and when dissolved in water, the sodium and chlorine ions are separated and carry electricity through the water.