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August 4, 2015

Homework Help: Chem

Posted by Mig on Sunday, June 5, 2011 at 8:33am.

You made up a saturated solution of calcium sulfate (CaSO4). The temp is 25 degrees Celsius. You then add 5.00*10^-3 of sodium sulfate (NaSO4). What are the concentrations of calcium and sulfate after equilibrium is reached? The pKs of CaSO4 is 4.58.

I know the Ks of CaSO4 to be 10^(-4.58) which equals 2.63E-5 but then what?

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