What will be the H+ ion concentration of a solution prepared by mixing 50 mL of 0.20 M NaCl, 25 mL of 0.10 M NaOH and 25 mL of 0.30 M HCl?
What is the OH ion concentration in the final solution prepared by mixing 20 mL of 0.050 M HCl with 30 mL of 0.10 M barium hydroxide?