Some Basic Concepts Of Chemistry

100 mL of Na₃PO₄ solution contains 3.45 g of sodium. The molarity of the solution is _____________ \(\times\) 10^\(-\)2 mol L^\(-\)1. (Nearest integer)

[Atomic Masses - Na : 23.0 u, O : 16.0 u, P : 31.0 u]