Calculate the change in pH when 8.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq). A list of ionization constants can be found here.
If add HCl (strong acid), acidity increased and pH decreased. We are adding it to buffer, Hence change in pH is very low. i.e 0.07. .
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