1.

MgSO4 meaning in Chemistry ?

Answer» What is Magnesium Sulfate mean?

Magnesium sulfate or magnesium sulphate (in British English) is a chemical compound, a salt with the formula MgSO
4, consisting of magnesium cations Mg2+
(20.19% by mass) and sulfate anions SO2−
4. It is a white crystalline solid, soluble in water but not in ethanol.

Magnesium sulfate is usually encountered in the form of a hydrate MgSO
4·nH
2O, for various values of n between 1 and 11. The most common is the heptahydrate MgSO
4·7H
2O, known as Epsom salt, which is a household chemical with many traditional uses, including bath salts.

The main use of magnesium sulfate is in agriculture, to correct soils deficient in magnesium (an essential plant nutrient because of the role of magnesium in chlorophyll and photosynthesis). The monohydrate is favored for this use; by the mid 1970s, its production was 2.3 million tons per year. The anhydrous form and several hydrates occur in nature as minerals, and the salt is a significant component of the water from some springs.

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