Answer to Question #75125 in General Chemistry for Allison Martynowicz

Question #75125

If you dilute 20.0 L of a 4.5 M solution to make 150 L of solution, what is the molarity of the dilute solution?

Expert's answer

The amount of moles in the initial and resulting solutions is constant.
V1 ·CM1 = V2·CM2
20 · 4.5 = 150 · CM2
CM2 = (20·4.5)/150 = 0.6 M

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