Calculate the pH at 25°C of 246.0 mL of a buffer solution that
is 0.450 M NH4Cl and 0.450 M
NH3 before and after the addition of 1.90 mL of 6.0
M HNO3. (The pKa for
NH4+ = 9.75)
Part 1:
pH before=
Part 2:
pH after=


Calculate the pH at 25°C of 246.0 mL of a buffer solution that is 0.450 M...
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