Rust stains can be removed by washing a surface with a dilute solution of oxalic acid (H2C2O4). The reaction is
Fe2O3(s)+6H2C2O4(aq)=2Fe(C2O4)3^3-(aq)+3H2O(i)+6H^+(aq)
Explain what mass of rust can be removed by the 1.0 L of a 0.14 M solution of oxalic acid?