February 19, 2017

Homework Help: Chemistry

Posted by Jo on Saturday, July 28, 2012 at 12:04am.

Use Ksp to find the concentration of an ion in a saturated solution. Consider a 2.50E-3 M solution of Al2(SO4)3.

(a) What [OH^-] is required to initiate precipitation of Al^3+ from the solution?

(b) What [OH^-] is required to lower the [Al^3+] to 2.00E-7 M ?

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