PPT Slide
Pb3(PO4)2 3Pb2+ + 2PO43-
stoic 1 3 2
change -x 3x 2x
equil? - 3x 2x
Ksp = 1x10-54 = [Pb2+]3[PO43-]2
= (3x)3(2x)2
= (27x3)(4x2) = 108x5
x = (1x10-54/108)1/5
= (9.27x10-57)1/5 = 6.2x10-12
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