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40 gm NaOH, 106 gm Na(2)CO(3) and 84 gm ...

40 gm NaOH, `106 gm Na_(2)CO_(3)` and `84 gm NaHCO_(3)` is dissolved in water and the solution is made 1 lit, 20 ml of this stock solution is titrated with 1 N HCl, hence which of the followign statements are correct?

A

The burette reading of HCl will be 40 ml, if phenolphthaleinis used as indiator from the beginning

B

The burette reading of HCkl will be 60 ml, if phenolphthalein is used as indicator form the beginning.

C

The burette readin of HCl will be 40 ml, if methy orange is used as indicator after the first end point

D

The burette reading of HCl will be 80ml, if methyl orange isused as indicator from the very beginning.

Text Solution

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The correct Answer is:
A, C, D
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