Sodium carbonate Wikipedia
Sodium carbonate, Na 2 CO 3, (also known as washing soda, soda ash and soda crystals) is the inorganic compound with the formula Na 2 CO 3 and its various hydrates. All forms are white, watersoluble salts that yield moderately alkaline solutions in water. Historically it was extracted from the ashes of plants growing in sodiumrich soils.
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