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pH of Sodium Acetate at Room Temperature

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Calculate the pH of a 1.0 M aqueous solution of sodium acetate at 25 degrees Celsius.

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Solution Summary

The solution shows clearly how to find the pH of this aqueous weak acid at room temperature using concepts from reactions at equilibrium.

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Posting 14063

Calculate the pH of a 1.0 M aqueous solution of sodium acetate at 25 degrees Celsius.

Answer:

The first thing that you have to do here is to determine the equilibrium equation. We know that sodium acetate, NaCH3COOH, a weak base, breaks down into its component ions. Thus, when dissolved in water,

NaCH3COO  Na+ + CH3COO-

Now the equilibrium equation is

CH3COO- + H2O  ...

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