Question
Asked Apr 11, 2019
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If the Ka of a monoprotic weak acid is 3.4 × 10-6, what is the pH of a 0.30 M solution of this acid?

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Expert Answer

Step 1

The dissociation of a weak acid is written as:

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Step 2

The dissociation constant of the weak acid (Ka) is expressed as:

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Step 3

According to the stoichiometry of the reaction, the concentration of H+ ions and A- ions produced as the dissociation products would be the same. Thus, using the given ...

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Equilibrium Concepts

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