Consider solutions prepared by
(a) Dissolving 8.00 mmol of NaOAc in 200 mL of 0.100 M HOAc.
(b) Adding 100 mL of 0.0500 M NaOH to 100 mL of 0.175 M HOAc.
(c) Adding 40.0 mL of 0.1200 M HCl to 160.0 mL of 0.0420 M NaOAc.
In what respects do these solutions resemble one another? How do they differ?