In chemistry lab the following chemicals are placed in table shelf.
1, Methyl orange, 2, 0.1 M acetic acid, 3, 0.1 KMnO4, 4, Distilled water, 5, Pure NaCl.
6, A Solution A,containing 8 grams of mixture of oxalic acid and sodium oxalate dissolved in 800mL of solution. Determine the %age impurity of solution A.