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We have 100 ml 0.1 M KCL solution. To ma...

We have 100 ml 0.1 M KCL solution. To make it 0.2 M,

A

evaporate 50 ml `H_2O`

B

evaporate 50 ml solution

C

add 0.1 mol KCL

D

add 0.01 mol KCL

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The correct Answer is:
A
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