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August 29, 2014

Homework Help: chemistry

Posted by Anonymous on Sunday, August 15, 2010 at 2:37pm.

When 10.0 mL of 0.012 M pb(NO3)2 is mixed with 10.0 mL of 0.030 M KI, a yellow precipitate of PbI2(s) forms.

a)Calculate the molarity of [Pb^2+]

b)Calculate the initial molarity of [I^-]

c)On measuring the equilibrium concentrations of [I^-] it came out to be 8.0 x 10^-3 M. Calculate the molarity of [I^-] precipitated.

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