The Solvay process involves a reaction of sodium chloride, ammonia and carbon dioxide in aqueous solution. Of the various possible products, the one least soluble in water is: A) ammonium bicarbonate B) "baking soda" (NaHCO₃) C) "sal ammoniac" (NH₄Cl) D) "table salt" (NaCl) E) "washing soda" (Na₂CO₃)

Question

Quizplus · Accepted Answer

"Baking soda" or sodium hydrogen carbonate is the least soluble product in water out of all the given options. It has a solubility of around 9 g/L compared to ammonium bicarbonate (74 g/L), sal ammoniac (460 g/L), table salt (360 g/L), and washing soda (220 g/L).

The Solvay Process Involves a Reaction of Sodium Chloride, Ammonia