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Question

Haw many ml of water are added to form $$20% v/V$$ $$NaOH (aq)$$ solution in $$25$$ ml $$NaOH$$-

A
$$100$$ ml
B
$$250$$ ml
C
$$120$$ ml
D
$$125$$ ml
Solution
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Correct option is B. $$250$$ ml

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