Question

Which will make basic buffer? 

(1) 50 mL of 0.1 M NaOH + 25 mL of 0.1 M CH₃COOH 

(2) 100 mL of 0.1 M CH₃COOH + 100 mL of 0.1 M NaOH 

(3) 100 mL of 0.1 M HCl + 200 mL of 0.1 M NH₄OH 

(4) 100 mL of 0.1 M HCl + 100 mL of 0.1 M NaOH

Comments

Equilibrium, buffer solutions