What is included in the name of a hydrate to indicate the amount of water present? a subscript

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08-06-2018
Chemistry

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What is included in the name of a hydrate to indicate the amount of water present? a subscript

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PBCHEM PBCHEM · Answer 1 · 2018-06-09T16:32:22+02:00

Hydrate is a compound that absorbs water molecules from the environment. Water is including as a part of structure of molecule. Water molecules is generally intact inside the compound. However, in certain cases, they may break up into their elements. Hydrates are classified into following three categories.
a) inorganic hydrates
b) organic hydrates
c) gas (or clathrate) hydrates

The name indicates the name of the compound and the number of water molecules associated with each formula unit of a compound. For example: CuSO4.5H2O, FeSO4.7H2O, etc.

tallinn tallinn · Answer 2 · 2019-07-03T06:00:12+02:00

Answer: A Prefix.

Explanation: Compounds that have crystalline water present in them are known as hydrates. The coefficients written infront of [tex]H_2O[/tex] in the formula of hydrates indicates how many water molecules are present in the hydrate.

While writing the names of the hydrates, prefixes like mono, di, tri, tetra, penta etc are included in the names of a hydrate to indicate the amount of water present.

For example, [tex]CuSO_4.5H_2O[/tex] is Copper(II)sulfate penta hydrate .

In the name of above hydrate, penta hydrate is used since there are five water molecules present in the hydrate.

So, A prefix is included in the name of a hydrate to indicate the amount of water present.