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Chemistry, 07.05.2020 00:09 haimar8710

A basic solution contains the iodide and phosphate ions that are to be separated via selective precipitation. The I– concentration, which is 8.90×10-5 M, is 10,000 times less than that of the PO43– ion at 0.890 M . A solution containing the silver(I) ion is slowly added. Answer the questions below.

Ksp of AgI is 8.30×10-17 and of Ag3PO4, 8.90×10-17.

A) Calculate the minimum Ag+ concentration required to cause precipitation of AgI.

B) Calculate the minimum Ag+ concentration required to cause precipitation of Ag3PO4.

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