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Question Q156) 2.5 litre of 1 M NaOH solution mixed with another 3 litre of 0.5 M NaOH solution. Then find out molarity ofresultant solution.



SOLUTION

Mixing solutions are same
M1V1 + M2V2 = M(V1+V2)
1×2.5+0.5×3 = M(2.5+3)
M= 0.7272 =0.73M
Answer: (c)