Section 11.5
The Formula for the Hydrate
Practice Test
1.
What is the correct chemical formula for barium hydroxide octahydrate?
Prefix
Molecules H
2
O
Mono-
1
Di-
2
Tri-
3
Tetra-
4
Penta-
5
Hexa-
6
Hepta-
7
Octa-
8
Deca-
10
a.
Ba(OH)
2
. 8H
2
O
b.
Ba(OH)
2
. H
2
O
c.
8Ba(OH)
2
. H
2
O
d.
Ba . 8(OH)
2
Hint
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
Hint
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
-
Hint
