An electrolyte is a substance that will conduct electricity when dissolved in wa

Question

An electrolyte is a substance that will conduct electricity when dissolved in water. A substance that conducts electricity well is a strong electrolyte. A substance that conducts electricity poorly is a weak electrolyte. In contrast, a substance that does not conduct electricity when dissolved in water is a nonelectrolyte.

Watch the video about the electrolytic properties of sodium chloride, NaCl, and sugar.

Part A

Watch the animation, then check off the samples that will conduct electricity.

Check all that apply.

Check all that apply.

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Part B

A student tests four solids for their ability to complete an electrical circuit when dissolved in water by observing their ability to close a circuit containing a light bulb and obtains the following results:

Which of the solids is a weak electrolyte when dissolved in water?

Check all that apply.

Check all that apply.

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Part C

Look again at the table in Part B, repeated below.

The student is told that one of the four solids tested is actually calcium bromide ,CaBr2. Which of the solids could be CaBr2?

Check all that apply.

Check all that apply.

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Part D

This question will be shown after you complete previous question(s).

Explanation / Answer

part A
NaCl solution

part B

answer: B

part C

a,d

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