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We have 100 mL of 0.1 M KCl solution. To...

We have 100 mL of 0.1 M KCl solution. To make it 0.2 M,

A

evaporate 50 mL water

B

evaporate 50 mL solution

C

add 0.01 mol KCl

D

both (1) and (3)

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