Calculate the solubility of pbcro4 in water at 25°c . you'll find ksp data in the aleks data tab.

1 answer:

5 0

According to the reaction equation:

PbCrO4 ↔ Pb2+ + CrO42-

so, when the Ksp expression = [Pb2+] [CrO42-]

when the Ksp =2.8 x 10^-13

when the solubility is the amount of solute that dissolved in a unit volume of a solvent so, we can assume solubility = X

by substitution on Ksp expression:

∴2.8 x 10^-13 = X*X

∴X = √(2.8 x 10^-13)

= 5.29 x 10^-7 M

∴ the solubility = X = 5.29 x 10^-7

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