Zeolite A is used as a water softener in detergents and washing powders. Industrial production combines hydrated

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Zeolite A is used as a water softener in detergents and washing powders. Industrial production combines hydrated Al2O3, aqueous NaOH and Na4SiO4. After crystallization, the product (zeolite A) is subject to a number of washing and drying processes before use. 

(a) Describe the general structural characteristics of a zeolite, and comment on how an aluminosilicate differs from a silicate. 

(b) By representing zeolite A as NaxA, suggest how it functions as a water softener.

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Inorganic Chemistry

ISBN: 9781292134147

5th Edition

Authors: Catherine Housecroft

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