MR Naming Hydrates

Front

What is a hydrate?

Back

A hydrate is a compound that contains water molecules within its crystal structure.

Front

How is the formula for a hydrate typically written?

Back

The formula for a hydrate is written as the anhydrous compound followed by a dot and the number of water molecules, e.g., CuSO4·5H2O.

Front

What does the term 'heptahydrate' indicate?

Back

Heptahydrate indicates that there are seven water molecules associated with the compound.

Front

What is the chemical formula for magnesium sulfate heptahydrate?

Back

MgSO4·7H2O.

Front

What does 'tetrahydrate' mean?

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Tetrahydrate means that there are four water molecules associated with the compound.

Front

What is the chemical formula for manganese(II) chloride tetrahydrate?

Back

MnCl2·4H2O.

Front

How do you name a hydrate?

Back

To name a hydrate, state the name of the anhydrous compound followed by a prefix indicating the number of water molecules and the term 'hydrate', e.g., sodium chloride pentahydrate.

Front

What is the chemical formula for copper(II) sulfate pentahydrate?

Back

CuSO4·5H2O.

Front

What does 'decahydrate' signify?

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Decahydrate signifies that there are ten water molecules associated with the compound.

Front

What is the chemical formula for sodium carbonate decahydrate?

Back

Na2CO3·10H2O.