Problem: What will happen if a small amount of hydrochloric acid is added to a 0.1 M ideal buffer based on HF?
FREE Expert Solution
We are asked what will happen to the percent ionization of the HF when hydrochloric acid is added to a 0.1 M ideal buffer based on HF.
Recall that the percent ionization is given by:
Remember that weak acids partially dissociate in water and that acids donate H+ to the base (water in this case).
The maximum buffering capacity of a solution is when the pH of the solution is equal to pKa and the buffer range of a solution is pH = pKa ± 1.
• maximum buffering capacity: pH = pKa
• buffering range: pH = pKa ± 1
The ideal buffer is when the amount of conjugate base is equal to the amount of the weak acid.
[conjugate base] = [weak acid]
What will happen if a small amount of hydrochloric acid is added to a 0.1 M ideal buffer based on HF?
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