It is easier to calculate the pH of an aqueous solution of sodium carbonate than for sodium hydrogen carbonate because there is only one hydrolysis reaction instead of two.

Question

Quizplus · Accepted Answer

Sodium carbonate (Na2CO3) undergoes hydrolysis reaction to form sodium hydroxide (NaOH) and bicarbonate ion (HCO3-), which further hydrolyzes to form water and carbonic acid (H2CO3). On the other hand, sodium hydrogen carbonate (NaHCO3) undergoes hydrolysis to form sodium ion (Na+) and bicarbonate ion (HCO3-), which further reacts with water to release hydrogen ion (H+) and form carbonic acid (H2CO3). Therefore, there are two hydrolysis reactions involved in the case of sodium hydrogen carbonate, making it more complex to calculate the pH.

It Is Easier to Calculate the PH of an Aqueous