Question

An amount of 25ml of a 0.8 Molar solution of pure KNO3 and placed in a volumetric flask. Is added water until the thin volume reaches exactly 500ml. which the final concentration?
bobpursley
you have diluted it 500/25=20 times

that is, one part orig solution, and 24 parts water.
final dilution is .8/25 M

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