What is the number of oxygen atoms in #Al_2(SO_4)_3#?

1 Answer
Meave60
May 11, 2017

There are 12 oxygen atoms in one formula unit of #"Al(SO"_4)_3"#.

Explanation:

The subscript for the sulfate ion #("SO"_4"^(2-))# is #3#. The subscript for the oxygen atom is #4#. Multiply them together to determine the number of oxygen atoms in one formula unit of aluminum sulfate. #(3xx4=12)#

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