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A student has two solution of a substance. Solution-1: 25M, 400mL and Solution-2: 30M, 300M. What is the molarity of the final solutions if these two solutions are mixed?(a) 27.14(b) 22.14(c) 14.22(d) 14.27This question was addressed to me at a job interview.This intriguing question comes from Concentration-I in chapter Introductory Concepts of Chemical Process Calculation

Answer»

The CORRECT answer is (a) 27.14

Best EXPLANATION: M = (M1V1 + M2V2 )/(V1 + V2).



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