A 1.0-liter solution contains 0.25 M HF and 0.33 M NaF (Ka for HF is 7.2 × 10–4). If one adds 0.30 liters of 0.020 M KOH

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answerhappygod
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A 1.0-liter solution contains 0.25 M HF and 0.33 M NaF (Ka for HF is 7.2 × 10–4). If one adds 0.30 liters of 0.020 M KOH

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A 1.0-liter solution contains 0.25 M HF and 0.33 M NaF(Ka for HF is7.2 × 10–4).
If one adds 0.30 liters of 0.020 M KOH to thesolution, what will be the change in pH?
Group of answer choices
–0.11
0.14
–0.28
0.03
3.28
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