A 340.0 mL buffer solution is 0.160 M in HF and 0.160 M in NaF. What mass of NaOHNaOH does this buffer neutralize before the pHpH rises above 4.00? ( Ka(HF)=3.5×10-4Ka(HF)=3.5×10-4.) If the same volume of the buffer was 0.350 MM in HFHF and 0.350 M in NAFNAF, what mass of NaOHNaOH is neutralized before the pHpH rises above 4.00?

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.