Calculate the pH of 0.050 M Fe(NO3)3 solution. The hydrated Fe3+ ion is [Fe(OH2)6]3+. For [Fe(OH2)6]3+, Ka = 4.0 � 10-3
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What is the expected ordering values of Îo for [Fe(OH2)6]2+, [Fe(CN)6]3-, and [Fe(CN)6]4-. Rationalize your answer.
A 10 mL solution of 0.5 M CrCl(OH2)5 2+ is allowed to aquate to Cr(OH2)6 3+. If 80 mL of 0.15 M NaOH is required to neutralize the liberated H+ , what was the concentration of CrCl(OH2)5 2+ and Cr(OH2)6 3+ in the solution?