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

1 Answer
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)