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The salt will dissolve in the vinegar, which is mostly water. However, a chemical reaction will also occur with the vinegar's acetic acid (CH3COOH) and the ions of sodium and chlorine from the salt, producing sodium acetate and a dilute solution of hydrochloric acid.

The mixture can be used to clean pennies and remove mild rust from items.

If you place a tarnished copper cent in vinegar, some of the tarnish will dissolve. However, if you then add salt, the hydrochloric acid formed will rapidly remove the tarnish from the coin, leaving bare metal. (Not recommended on valuable coins)

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12y ago
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13y ago

A diluted solution of vinegar is obtained with a layer of oil on the top.

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6y ago

The prepared mixture is homogeneous.

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Q: What happens when you mix salt and vinegar?
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