Soda ash

the common name for sodium carbonate, chemical compound used as an alkaline builder in some soap and detergent formulations, to neutralize acid water, and in the lime-soda ash water treatment process.

Definitioner

Sodium: an ion found in natural water supplies, and introduced to water in the ion exchange water softening process.
Soda ash: the common name for sodium carbonate, chemical compound used as an alkaline builder in some soap and detergent formulations, to neutralize acid water, and in the lime-soda ash water treatment process.
Soap: one of a class of compounds which possesses cleaning properties, Sodium and potassium are soluble and useful.
Lime: the common name for calcium oxide.
Carbonate: the Co3- ion.
Acid: A substance which releases hydrogen ions when dissolved in water.Most acids will dissolves the common metals, and will react with a base to form a neutral salt and water.