Question

31. A 500 ml solution is prepared by dissolving 20 g
sodium hydroxide in water. This is mixed in another
200 ml solution of NaOH having molarity 0.2 M.
The molarity of resulting solution is
(1) 0.66M
(2) 0.77 M
(3) 180 M
(4) 1.97 M

Answer 1

Answer:

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