What is the structural formula of calcium propanoate?
1 Answer
Jul 29, 2015
The formula of calcium propanoate is ("CH"_3"CH"_2COO)_2"Ca"#.
Explanation:
You can tell from the name that this is the calcium salt of propanoic acid.
The formula of propanoic acid is
Calcium is in Group 2, so calcium ion is
It takes two propanoate ions to balance the charge of one calcium ion, so the formula of calcium propanoate is
Note the exception: The salts of carboxylic acids usually have the metal ion written last.