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December 20, 2014

Homework Help: Chemistry

Posted by Sarah on Friday, May 11, 2012 at 8:21pm.

Write the balanced chemical equation for each of these reactions. Include phases. When aqueous sodium hydroxide is added to a solution containing lead(II) nitrate, a solid precipitate forms. However, when additional aqueous hydroxide is added the precipitate redissolves forming a soluble [Pb(OH)4]^2–(aq) complex ion.


I got the first one, but I don't get the second one.

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