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April 16, 2014

Homework Help: Chemistry- please check my work

Posted by Anonymous on Tuesday, May 12, 2009 at 12:08am.

Question: When 1.97 grams of Pb(OH)2(s) is added to 1.00 liter of pure water at 25 C a saturated solution (some solid is present) is formed that has a pH of 8.97. Compute the Ksp value for Pb(OH)2 using the data.

[OH]= 9.334e-6 and the [Pb^+2]= 9.334e-6/2= 4.667e-6. So the ksp= 9.334e-6 * 4.667e-6= 4.356e-11

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