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Virtually none. Most salt contains some magnesium chloride.

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9y ago

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Related Questions

How do you get the percentage of pure salt in rock salt?

This percentage is determined by chemical analysis; for some salt mines this percentage is over 99 %.


Is NaHCO3 pure salt?

It is a pure salt, as it is made from an acid and a base.


How can we get pure salt?

Pure salt is obtained by repeated processes of crystallization/recrystallization.


How do you separate salt from pure salt?

A method is repeated processes of crystallization/recrystallization, for a supplementary refining.But it is a nonsense in your question: salt or pure salt are both sodium chloride, supposed to be pure.


How do you make an impure salt?

Adding impurities to a pure salt or applying a method of preparation which not lead to a pure salt.


What is the percentage of salt in the human body compared to the percentage of salt in the ocean?

The percentage of salt in the human body is about 0.9, while the percentage of salt in the ocean is about 3.5.


Does salt have H2O in it?

Pure and dried salt (NaCl) has no salt.


Is salt water a pure substance and why?

no , its a mixture. salt is a pure substance, as is water, but togher they are a mixture.....


Is kosher salt a pure substance?

Refined salt (sodium chloride) is a pure substance; but kosher salt is only an error because salt is an inorganic product..


Is salt solution a pure substance?

No, a salt solution is not a pure substance. It is a mixture of salt (solute) dissolved in water (solvent). A pure substance contains only one type of element or compound with a fixed chemical composition.


Would gandhi people have made pure salt?

Gandhi's followers, during the Salt March in 1930, aimed to produce their own salt as a form of civil disobedience against British salt laws, which imposed a tax on salt production. They gathered salt from the sea, which was a natural and unrefined form of salt. While the salt produced was not "pure" in the industrial sense, it served as a powerful symbol of resistance and self-sufficiency against colonial rule. Thus, it was more about the act of making salt than the purity of the salt itself.


How do you get pure water from a salt and water solution?

By evaporating the water of the solution and condensing it.