Write the relationship between the rate of disapperance of H2C2O4 (aq) and the rate of apperance on Mn ^2+ (aq) for the reaction represented by the following equation.

2MnO4^-(aq)+ 5H2C2O4 (aq)+6H3)^+(aq)
-->10CO2(g)+2Mn^2+ (aq)+14H2) (l)