Question

16 1 point When Fe(NO$_3$)$_3$ is dissolved in water, the dissociated Fe$^{3+}$ ion forms a complex with six water molecules in the form of Fe(H$_2$O)$_6^{3+}$. Fe(H$_2$O)$_6^{3+}$ acts as a Bronsted acid through the following reaction with water, Fe(H$_2$O)$_6^{3+}$(aq) + H$_2$O(l) $ ightleftharpoons$ Fe(H$_2$O)$_5$(OH)$^{2+}$(aq) + H$_3$O$^+$ (aq) Calculate the pH of a 0.10 M solution of Fe(H$_2$O)$_6^{3+}$ which has a K$_a$ of 6.0x10$^{-3}$ 1.23 1.66 2.05 2.33

          16 1 point
When Fe(NO$_3$)$_3$ is dissolved in water, the dissociated Fe$^{3+}$ ion forms a complex with six water molecules in the form of Fe(H$_2$O)$_6^{3+}$.
Fe(H$_2$O)$_6^{3+}$ acts as a Bronsted acid through the following reaction with water,
Fe(H$_2$O)$_6^{3+}$(aq) + H$_2$O(l) $
ightleftharpoons$ Fe(H$_2$O)$_5$(OH)$^{2+}$(aq) + H$_3$O$^+$ (aq)
Calculate the pH of a 0.10 M solution of Fe(H$_2$O)$_6^{3+}$ which has a K$_a$ of 6.0x10$^{-3}$ 
1.23
1.66
2.05
2.33

16 1 point
When Fe(NO3)3 is dissolved in water, the dissociated Fe^3+ ion forms a complex with six water molecules in the form of Fe(H2O)6^3+.
Fe(H2O)6^3+ acts as a Bronsted acid through the following reaction with water,
Fe(H2O)6^3+(aq) + H2O(l) ightleftharpoons Fe(H2O)5(OH)^2+(aq) + H3O^+ (aq)
Calculate the pH of a 0.10 M solution of Fe(H2O)6^3+ which has a Ka of 6.0x10^-3
1.23
1.66
2.05
2.33

Added by Alexander V.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Sri K

01/07/2023

Step 1

Step 1: Write the equilibrium expression for the reaction given: Fe(H2O)63+(aq) + H2O(l) ⇌ Fe(H2O)5(OH)2+(aq) + H3O+(aq) The equilibrium expression is: Ka = [Fe(H2O)5(OH)2+][H3O+] / [Fe(H2O)6^3+] Show more…

Show all steps

Thanks for your feedback!

16 1 point When Fe(NO_(3))_(3) is dissolved in water, the dissociated Fe^(3+) ion forms a complex with six water molecules in the form of Fe(H_(2)O)_(6)^(3+). Fe(H_(2)O)_(6)^(3+) acts as a Bronsted acid through the following reaction with water, Fe(H_(2)O)_(6)^(3+)(aq)+H_(2)O(I)⇌Fe(H_(2)O)_(5)(OH)^(2+)(aq)+H_(3)O^(+)(aq) Calculate the pH of O0.10M solution of Fe(H_(2)O)_(6)^(3+) which has a Ka of 6.0 imes 10^(-3) 1.23 1.66 2.05 2.33 16 1point When Fe(NO3)3 is dissolved in water, the dissociated Fe3+ ion forms a complex with six water molecules in the form of Fe(H2O)63+ Fe(H2O)63+ acts as a Bronsted acid through the following reaction with water, Fe(H2O)63+(aq) +H2O(I) Fe(H2O)5(OH)2+(aq)+H3O*(aq) Calculate the pH of a 0.10 M solution of Fe(H2O)63+ which has a Ka of 6.0x10-3 1.23 1.66 2.05 2.33