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Section 5: The Formula for a Hydrate

The Formula for the Hydrate

1.
What is the correct chemical formula for barium hydroxide octahydrate?

PrefixMolecules H2O
Mono-1
Di-2
Tri-3
Tetra-4
Penta-5
Hexa-6
Hepta- 7
Octa- 8
Deca-10


A)Ba(OH)2 . 8H2O
B)Ba(OH)2 . H2O
C)8Ba(OH)2 . H2O
D)Ba . 8(OH)2
2.
A compound that has a specific number of water molecules bound to the structure is ______________?
A)a hydrate
B)an anhydrate
C)aqueous
D)waterlogged
3.
Which word indicates that two water molecules are associated with a substance in a chemical compound?
A)mono-
B)di-
C)tri-
D)an-
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