Pure water and pure salt are poor conductors of electricity. When salt is dissolved in water, the resulting solution conducts electricity well. Which statement explains why this occurs with these substances?

The process of dissolving makes the electrons in their atoms free to move

The process of dissolving makes the atoms in them free to move

The process of dissolving makes the electrons in their atoms more closely bound

The process of dissolving makes the atoms in them more closely bound to each other

The solution of water and salt are good conductor of electricity because the process of dissolving makes the electrons in their atoms free to move.

The correct option is (A).

What makes a solution of water and salt a good conductor?

Pure water and salt are bad conductor of electricity.

But the solution of water and salt is a good conductor because when a salt's dissociated it's ions are free to move about in solution when it dissolves, allowing a charge to flow freely.

Because it includes ions, the resulting solution will conduct electricity.

Thus, option (A) the process of dissolving makes the electrons in their atoms free to move, that's why the solution of water and salt are good conductor of electricity.

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