[Pb2[HCO4 Ksp 74 x10414

5The equations necessary for an exact calculation of the solubility of carbonates have been discussed by M. Bader and by S. Roo, L. Vermeire, and C. Gorller-Walrand, J. Chem Educ., 74,

At a pH of, say, 5, and in the absence of other sources of bicarbonate, the solubility of Pb2+ is now 1.2 x 10~4M. In natural waters, this would be further modified by other bicarbonate sources.

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