Calculate the pH of a buffer that is 0.020 M in NH3 and 0.030 M in NH4Cl. What is the pH after adding 1.00 mL of 0.01 M NaOH to 0.10 L of this buffer? [Ka for NH4+ if 5.70 x 10-10 ]
Added by Brittany K.
Step 1
First, we need to calculate the initial pH of the buffer solution before adding NaOH. To do this, we can use the Henderson-Hasselbalch equation: pH = pKa + log([A-]/[HA]) Where pKa is the negative logarithm of the acid dissociation constant (Ka), [A-] is the Show more…
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