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A 0.1 N solution of Na(2)CO(3) is titrat...

A 0.1 N solution of `Na_(2)CO_(3)` is titrated with 0.1 N HCl solution. The best indicator to be used is

A

0.40 N

B

0.040 N

C

4.0 N

D

1.4 N

Text Solution

Verified by Experts

The correct Answer is:
B
`N_(1)V_(1) = N_(2)V_(2) rArr (1)/(10) xx 8 = N_(2) xx 20 , therefore N_(2) = 0.04 N`
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