1.

10 mL of a solution containing Na_(2)CO_(3)andNaHCO_(3) is titrated by HCl using phenolphthalein and then methyl orange (added after first end point). The first and second end points were found after adding 10 mL and 15 mL of N/10 HCl respectively. The ratio of m.e. of Na_(2)CO_(3)andNaHCO_(3) in the solution is

Answer»

`2//1`
`1//2`
`5//1`
`1//5`

ANSWER :A


Discussion

No Comment Found

Related InterviewSolutions