Question
3.65 gm equimolar mixture of NaOH and Na_2 CO_3, is titrated against 0.1 M HCl using phenolphthalein as an indicator, V1 mL of acid was required to reach end point. In another experiment 3.65 gm of same mixture is titrated against 0.2 M HCl using methylorange as an indicator, V_{2 }mL of acid was required to reach end point. V1 + V2 is :