How many moles of FeCl3 react?

0.700 g of an impure FeCl3 sample are dissolved in water to create 50.0 mL of solution. It took 1.54 x 10^-3 mol H2C2O4 to reach equivalence point.

2Fe^+3 (aq) + H2C2O4 (aq) ---> 2CO2 (g) 2H^+ (aq) + 2Fe^2+ (aq)