Answer to Question #201291 in Chemistry for nmnmn

Question #201291

A chemist must dilute 57.6 ml of 1.41 M aqueous barium acetate (Ba(C,H,02), solution until the concentration falls to 1.00 M. He'll do this by adding distilled water to the solution until it reaches a certain final volume. Calculate this final volume, in mililiters. Be sure your answer has the correct number of significant digit mL




1
Expert's answer
2021-06-01T02:45:03-0400

Solution:

The equation for dilution calculations can be used.



where:

c1, V1 - the molarity and volume of the concentrated solution

c2, V2 - the molarity and volume of the diluted solution


Thus:

(1.41 M) × (57.6 mL) = (1.00 M) × V2

V2 = (1.41 M × 57.6 mL) / (1.00 M) = 81.216 mL = 81.2 mL

V2 = 81.2 mL

 

Answer: The final volume is 81.2 mL.

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