Washing soda chemical formula

By Rebecca
1 Min Read

What is Washing soda’s chemical formula?


Washing soda is a whitish powder with no odor. It is also known as sodium carbonate and has the chemical formula Na2CO3. It collects moisture from the air and is hygroscopic in nature. It is very water-soluble and produces a strongly alkaline water solution.

Washing Soda Preparation

Solvay’s technique is used to make washing soda. In Solvay’s method, sodium chloride, ammonia, and carbon dioxide react in water. Calcium carbonate is utilized to make carbon dioxide, and the calcium oxide left over is used to recover ammonia from ammonium chloride.

Sodium bicarbonate is first obtained, which is then heated to produce sodium carbonate. Finally, sodium carbonate is recrystallized to make washing soda.

  • NaCl + NH3 + CO2 + H2O → NaHCO3 + NH4Cl
  • 2 NaHCO→ Na2CO3 + H2O + CO2
  • Na2CO3 + 10H2O → Na2CO3.10H2O

Washing Soda’s Benefits

  • For eliminating burnt-on oil from kitchen equipment, use washing soda.
  • It’s popular in the soap, glass, and paper industries.
  • It also aids in the elimination of water’s persistent hardness.
  • It is used as a raw material in the production of a variety of sodium compounds, such as borax.

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Posted by Rebecca
Rebecca is an Independent content writer for breldigital, She writes content on any given topic. She loves to write a case study article or reviews on a brand, Be it any topic, she nails it