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Because the salt water is salt dissolved water, which is NaCl plus water. When the NaCl dissolve in the water, they breaks down into sodium ion (contains positive charge) and chloride ion (contains negative charge), so that the salt water has electrical charges. Actually we can't say it has charges, we only can say that it can conduct electricity.

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βˆ™ 13y ago
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βˆ™ 5mo ago

Salt water has electrical charges because when salt (consisting of sodium and chloride ions) is dissolved in water, the ions dissociate and become free to conduct electricity. These charged ions allow electricity to pass through the solution.

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Q: Why does salt water have electrical charges?
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