Question

Physical and chemical properties of sodium carbonate

Answer 1

Physical properties: Sodium carbonate is a white crystalline powder with a density of 2.54 g/mL, and a melting point of 851 °C.

Chemical properties: Sodium carbonate is a stable but hygroscopic solid (absorbs water from air) and readily dissolves in water to form weakly acidic carbonic acid and the strong base, sodium hydroxide. Thus, the aqueous solution of Na2CO3 is overall a strong base. It reacts violently with many acids. When heated to high temperatures, it decomposes to emit toxic fumes of disodium oxide (Na2O)....

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