Question

In production of washing soda, first we get sodium hydrogencarbonate and then after two more steps we get sodium carbonate decahydrate but my question is that why don't we use that sodium hydrogen carbonate which is obtained in the production of washing soda ? Why do we prepare sodium hydrogen carbonate by another reaction ?​

Answer 1

Answer:

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★ In the following three steps, washing soda is prepared from sodium chloride or common salt. Firstly, a cold and concentrated sodium chloride solution is reacted with ammonia and carbon dioxide to obtain sodium hydrogen carbonate. ... Secondly, now sodium hydrogen carbonate is separated by filtration, dried and heated.

Answer 2

In the following three steps, washing soda is prepared from sodium chloride or common salt. Firstly, a cold and concentrated sodium chloride solution is reacted with ammonia and carbon dioxide to obtain sodium hydrogen carbonate. Secondly, now sodium hydrogen carbonate is separated by filtration, dried and heated.

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