In water, the Fe3+ ion exists as Fe(H2O)63+. Fe(H2O)63+ is a complex ion in which the ligands are water molecules. The high positive charge on the Fe3+ ion makes the coordinated water acidic, and Fe(H2O)63+ behaves as an acid, as described by the following reaction. Fe(H2O)63+ (aq) -> H+ (aq) + Fe(H2O)5(OH)2+ (aq) A solution is prepared by dissolving 0.0500 mole of Fe2(SO4)3 in water and diluting to yield 1.00 L of solution. A)- What is the molar concentration of sulfate ion in the solution. B)- Experiments show an osmotic pressure of 6.73 atm for this solution at 25 oC. Calculate the molarity of solutes in the solution. C)- What is the molar concentration of Fe(H2O)5(OH)2+ in the solution? (use your answers from A and B to find this)

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Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.