If 32.6 mL of 0.240 M oxalic acid are required to titrate 48.9 mL of unknown sodium hydroxide: How many moles of acid are used in the titration? How many moles of base are used in the titration? What is the molarity of the unknown NaOh base?

Question

If 32.6 mL of 0.240 M oxalic acid are required to titrate 48.9 mL of unknown sodium hydroxide: How many moles of acid are used in the titration? How many moles of base are used in the titration? What is the molarity of the unknown NaOh base?
Please help I do not know where to start.

DrBob222 · Answer

You start by writing an equation.
2NaOH + H2C2O4 ==> Na2C2O4 + 2H2O

mols H2C2O4 = M x L = ?
Using the coefficients in the balanced equation, convert mols H2C2O4 to mols NaOH.
Then M NaOH = mols NaOH/L NaOH