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May 25, 2015

Homework Help: chemistry

Posted by Anonymous on Thursday, August 19, 2010 at 4:10pm.

When 10.0 mL of 0.012 M Pb(No3)2 is mixed with 10.0 mL of 0.030M KI, a yellow precipitate of PbI2(s) forms.

a. Calculate the molarity of [Pb2+]

b. calculate the initial molarity of [I-]

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

d. Calculate the concentration of [Pb2+] precipitated.

e. calculate the equilibrium concentration of [Pb2+]

f. Calculate the Ksp of PbI2.

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