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Second cation begins to precipitate

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Reference no: EM132409998

A solution of Na3PO4 is added dropwise to a solution that is 0.0148 M in Ag+ and 5.71e-05 M in Cu2+.

The Ksp of Ag3PO4 is 8.89e-17.

The Ksp of Cu3(PO4)2 is 1.4e-37.

(a) What concentration of PO43- is necessary to begin precipitation? (Neglect volume changes.)

[PO43-] = ________ M.

(b) Which cation precipitates first?

Ag+

Cu2+

(c) What is the concentration of PO43- when the second cation begins to precipitate?

[PO43-] = ___________ M.

Reference no: EM132409998

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