Which of the following mixtures would you dismiss as a potential buffer in a laboratory?
◦ mixing equal volumes of 0.10 M NaC2H3O2(aq) and 0.10 M HCl(aq)
◦ mixing equal volumes of 0.10 M NaC2H3O2(aq) and 0.050 M HCl(aq)
◦ mixing equal volumes of 0.10 M NaC2H3O2(aq) and 0.10 M HC2H3O2(aq)
◦ mixing equal volumes of 0.10 M HC2H3O2(aq) and 0.050 M NaOH(aq)
◦ mixing equal volumes of 0.10 M NH3(aq) and 0.10 M of NH4Cl(aq)