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A 340.0 −mL buffer solution is 0.140 M in HF and 0.140 M in NaF. What...

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Chemistry

A 340.0 −mL buffer solution is 0.140 M in HF and 0.140 M in NaF.What mass of NaOH could this buffer neutralize before thepH rises above 4.00? And, If the same volume ofthe buffer was 0.370 M in HF and 0.370 M in NaF, what mass ofNaOHcould be handled before the pH rises above4.00? Please show all steps. Thank you

Answer & Explanation Solved by verified expert
3.9 Ratings (652 Votes)
Sol 1 Let the moles of NaOH added be x initial moles of HF 0140 3400 1000 00476 mol initial moles of NaF 0140 3400 1000 00476 mol After addition of moles of NaOH moles of NaF increases and moles of HF decreases Final moles    See Answer
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