Saved Bookmarks
| 1. |
50 mL of a mixture of NaOH and Na2CO3titrated withN10 HCl using phenolphthalein indicator required 50ml of HCl to decolorize phenolphthalein. At this stage, methyl orange was added and the addition of acid was continued.The second endpoint was reached after further addition of 10 ml of N10 HCl.The amount of NaOH in the solution is: |
|
Answer» 50 mL of a mixture of NaOH and Na2CO3titrated withN10 HCl using phenolphthalein indicator required 50ml of HCl to decolorize phenolphthalein. At this stage, methyl orange was added and the addition of acid was continued. The second endpoint was reached after further addition of 10 ml of N10 HCl. The amount of NaOH in the solution is: |
|