How do you calculate percent composition of a compound?
1 Answer
May 21, 2015
So you calculate the weight of the entire molecule (molecular weight/ formula weight)
The you add the weight of one of the contributing elements.
You put the small mass over the big mass and times by 100%.
e.g.
Molecular weight = 18
weight of H = 2
weight of O = 16
% composition H =
