Question: (a) Following the example of ammonia in Section 7-5, write the equilibria and charge and mass balances needed to find the composition of 0.01 M

(a) Following the example of ammonia in Section 7-5, write the equilibria and charge and mass balances needed to find the composition of 0.01 M sodium acetate, which you should abbreviate as Na+A-. Include activity coefficients where appropriate.
(b) Neglect activity coefficients for this part and call the formal concentration F. Following the example of ammonia, reduce the equations to a single equation with [H+] as the sole unknown. Do not try to simplify the equation.
(c) Use Excel Goal Seek to solve for [H+]. Use the value Kb = 5.7 10 × 10 -10. Before using Goal Seek in Excel 2007, click the Microsoft Office button, then Excel Options, and select Formulas. In Calculation Options, set Maximum Change to 1e-14. In earlier versions of Excel, go to Tools and Options. Select the Calculations tab and set Maximum change to 1e-14. From [H+], find [OH-], [A-], and [HA].

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