A solution of H202 is titrated with a solution of KMNO4. The reaction is 2Mno, + 5H2O2 + 6H+ 2Mn? It requires 50 ml of 0.1 M - KMNO4 to oxidize 10 ml of H2O2. The strength of H2O2 solution is (A) 4.25 % (w/v) (B) 8.5 % (w/v) (C) 0.85% (w/v) (D) 1.7% (w/v)