Define bases on 40 to 50 words. Give examples. What is sodium iodate?
Answers
The word "base" came into use in 1717 by French chemist Louis Lémery. Lémery used the word as a synonym for Paracelsus' alchemical concept of a "matrix" in alchemy. Paracelsus proposed natural salts grew as a result of a universal acid mixing with a matrix.
While Lémery may have used the word "base" first, its modern usage is generally attributed to French chemist Guillaume-François Rouelle. Rouelle defined a neutral salt as the product of the union of an acid with another substance that acted as a "base" for the salt. Examples of Rouelle's bases included alkalis, metals, oils, or absorbent earth. In the 18th century, salts were solid crystals, while acids were liquids. So, it made sense to early chemists that the material
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