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Hydrochloric acid and sodium hydroxide can be combined to form sodium chloride and water. Which best explains the reaction?

The mass of sodium hydroxide will result in the same mass of sodium chloride.
The total mass of hydrochloric acid and sodium hydroxide will result in a lower total mass of sodium chloride and water.
The mass of hydrochloric acid will result in the same mass of sodium chloride.
The total mass of hydrochloric acid and sodium hydroxide will result in the same total mass of sodium chloride and water.

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Answered by GPT-5 mini AI
"The total mass of hydrochloric acid and sodium hydroxide will result in the same total mass of sodium chloride and water."

Explanation: by the law of conservation of mass, atoms are neither created nor destroyed in a chemical reaction, so the total mass of reactants equals the total mass of products (in a closed system).