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What is soda ash ? How it obtained ? |
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Answer» Solution :Sodium carbonate DECAHYDRATE commonly known as WASHING soda `Na_(2)Co_(3).10H_(2)O`. Upon heating, it looses the water of crystallization to FORM monohydrate Above 373K, the monohydrate becomes COMPLETELY ANHYDROUS and changes to a white powder called soda ash `Na_(2)CO_(3).10H_(2)O overset(/_\^(@))to Na_(2) CO_(3).H_(2)O + 9H_(2)O` `Na_(2) CO_(3).H_(2) overset(/_\^(@))to underset(Soda ash)(Na_(2)CO_(3)) + H_(2)O` |
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