Please Help with this equilibrium question?

Posted on 2017-05-29 18:32:00 in Chemistry by SYNDY

Consider these mixtures: 
Mixture I. 100 mL of 0.006 M Pb(NO3)2 plus 50 mL of 0.003 M NaBr 
Mixture II. 100 mL of 0.008 M Pb(NO3)2 plus 100 mL of 0.006 M NaBr 
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PbBr2 Ksp = 6.6 *10^-6 
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Which statement is correct? And why? 
(A) A precipitate will not form in either mixture. 
(B) A precipitate will form only in mixture I. 
(C) A precipitate will form only in mixture II. 
(D) A precipitate will form in both mixtures.

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