Two solutions A and B each of 100 L was made by dissolving 4 g of NaOH and 9.8 g of H SO in water, r — Ionic Equilibrium Chemistry Question

Question

Two solutions A and B each of 100 L was made by dissolving 4 g of NaOH and 9.8 g of H SO in water, respectively. The pH of the resulting solution obtained from mixing 40 L of Solution A and 10 L of Solution B is: 2 4