If 2 L, 4 L and 6 L of three separate solutions of concentrations 1 M, 2 M and 3 M, respectively, are mixed together then what is the concentration of the resultant mixture?(a) 2.333 M(b) 6.000 M(c) 3.333 M(d) 1.500 MThis question was posed to me in final exam.This question is from Expressing Concentration of Solutions in chapter Solutions of Chemistry – Class 12

If 2 L, 4 L and 6 L of three separate solutions of concentrations 1 M,

1.	If 2 L, 4 L and 6 L of three separate solutions of concentrations 1 M, 2 M and 3 M, respectively, are mixed together then what is the concentration of the resultant mixture?(a) 2.333 M(b) 6.000 M(c) 3.333 M(d) 1.500 MThis question was posed to me in final exam.This question is from Expressing Concentration of Solutions in chapter Solutions of Chemistry – Class 12
Answer» Correct option is (a) 2.333 M The explanation is: GIVEN, V1 = 2 L V2 = 4 L V3 = 6L M1 = 1 M M2 = 2 M M3 = 3 M Resultant concentration, MR = (M1V1 + M2V2 + M3V3)/(V1 + V2 + V3) MR = ( 2 x 1 + 4 x 2 + 6 x 3 )/( 2 + 4 + 6) = 2.333 M.

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