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August 28, 2015

Homework Help: chemistry

Posted by Tanner on Sunday, March 25, 2012 at 5:17pm.

Calculate the pH range required to separate 99.99% of Cr3+ from Zn2+ by precipitation of Cr(OH)3(s) in a solution that is initially 0.034 M in both Cr3+ and Zn2+. Use the Ksp values from Table 16.2 of Chang and calculate the pH to the nearest 0.01 pH unit.

Lowest pH=
Highest pH=

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