What is the elemental composition of H3PO4?

1 Answer
May 13, 2017

Well we can quote the elemental composition...........

Explanation:

% composition=Atomic massMolecular mass×100%

%H=3×1.00794gmol197.99gmol1×100%=3.1%.

%P=30.9737gmol197.99gmol1×100%=31.6%.

%O=4×15.999gmol197.99gmol1×100%=65.3%.

Do the elemental percentages sum up to 100%? Should they?