What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 Ă 10â»âŽ) and 0.200 mol of NaF to which 0.160 mol of NaOH were added?
Added by Debra L.
Step 1
First, we need to find the initial concentration of HF and Fâ» in the buffer before adding NaOH. Initial concentration of HF = moles of HF / volume of buffer = 0.300 mol / 1.0 L = 0.300 M Initial concentration of Fâ» (from NaF) = moles of NaF / volume of buffer = Show moreâŠ
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