When it dissolves in water, Fe3(PO4)2 ionizes into 3Fe2+ and2(PO4)3-. Consider a

Question

When it dissolves in water, Fe3(PO4)2 ionizes into 3Fe2+ and2(PO4)3-. Consider a large beaker in which 4.0M Ferrousphosphate is dissolved in at 25C.
What is the molar concentration of Fe2+ ions in the beakerupon dissolving and ionizing? What is the molar concentration of(PO4)3- ions in the beaker upon dissolving and ionizing?
Thank you very very much.
What is the molar concentration of Fe2+ ions in the beakerupon dissolving and ionizing? What is the molar concentration of(PO4)3- ions in the beaker upon dissolving and ionizing?
Thank you very very much.

Explanation / Answer

Since Fe3(PO4)2 dissociates in solution, the concentrations ofthe resulting ions are directly proportional to the number of molesthey dissociate into and the molarity of the originalsolution. Fe(PO4)2 --> 3Fe2++ 2(PO4)3-                      Fe2+concentration: 3(4.0M) =12M                      (PO4)3-concentration: 2(4.0M) =8.0M Hope this helps =]

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