Question

What volume of water must be added to a 100 ml of 3N NaOH solution to make exactly 0.75N solution ?

Answer 1

Answer:

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Explanation:

• Let 'V' ml.of water be added to 100 ml.of 0.25 N HCl, to make a 0.1N HCl.
• So 100 x 0.25= (100+ V) x 0.1. Upon solving we get V= 150.
• So adding 150 ml.of water to 100 ml.of 0.25 N HCl, we get a final 250 ml.of 0.1N HCl.

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Answer 2

I hope my solution is clear.