[ساعتي خربانه]

A solution is prepared by dissolving 516.5 mg of oxalic acid (C2H3O4) to make 100 .0 mL of solution. A 105 .0 mL portion is then diluted to 250.0 mL. What is the molarity of the final solution?

27.838 x 10-3 M23.838 x 10-3 M24.838 x 10-3 M21.838 x 10-3 M