The concentration of a H3AsO3 solution is determined by titrating it with a 0.1483 M solution of Ce4+. The balanced net ionic equation for the reaction is shown below.

2 Ce4+(aq) + H3AsO3(aq)+5 H2O(l)2 Ce3+(aq) + H3AsO4(aq)+2 H3O+(aq)

In one experiment, 24.78 mL of the 0.1483 M Ce4+ solution is required to react completely with 20.00 mL of the H3AsO3 solution. Calculate the concentration of the H3AsO3 solution.

_________M