Question

An organic acid has a percentage composition by mass of C 41.4%, H 3.4%, and O 55.2%. A solution containing 0.250g of the acid, which is dibasic required 26.60 cm cubed of NaOH solution (0.20 mol.dm -3) for neutralisation.
Calculate the empirical formula, molecular formular, structural formula and name the compound.

Answer 1

I've looked at this problem and something seems not quite right about it. Would you please look over the numbers and make sure they are ok.

Answer 2

Fumaric Acid