Sodium bicarbonate, commonly known as baking soda or bicarbonate of soda, is a chemical compound with the formula NaHCO₃.
It is a salt composed of a sodium cation and a bicarbonate anion.
Sodium bicarbonate is a white solid that is crystalline, but often appears as a fine powder.
It has a slightly salty, alkaline taste resembling that of washing soda.
The natural mineral form is nahcolite.
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