A sample containing 0.0500 mol of Fe2(SO4)3 is dissolved
Chapter , Problem 160(choose chapter or problem)
A sample containing 0.0500 mol of Fe2(SO4)3 is dissolved in enough water to make 1.00 L of solution. This solution contains hydrated and Fe(H2O)6 3_ ions. The latter behaves as an acid: a. Calculate the expected osmotic pressure of this solution at if the above dissociation is negligible. b. The actual osmotic pressure of the solution is 6.73 atm at . Calculate Ka for the dissociation reaction of Fe(H2O)6 3_. (To do this calculation, you must assume that none of the ions goes through the semipermeable membrane. Actually, this is not a great assumption for the tiny H_ ion.)
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