A buffer that contains 0.25 M of a base, B and 0.34 M of its conjugate acid BH+, has a pH of 9.19. What is the pH after 0.037 mol of HCl are added to 0.54 L of the solution?
Added by Paul S.
Step 1
First, we need to find the pKa of the buffer system using the Henderson-Hasselbalch equation: pH = pKa + log([Base]/[Conjugate Acid]) 9.19 = pKa + log(0.25/0.34) To find pKa, we can rearrange the equation: pKa = 9.19 - log(0.25/0.34) pKa ≈ 9.19 - (-0.301) = Show more…
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