Question

How washing soda is prepared from sodium chloride ​

Answer 1

Explanation:

This is how sodium carbonate ( washing soda ) is prepared from NaCl.

Answer 2

Question:

How washing soda is prepared from sodium chloride

Answer:

Sodium chloride is first used to prepare sodium hydrogen carbonate(baking soda).

Reaction:

$\sf{NaCl+NH_3+CO_2+H_2O-->NH_4Cl+NaHCO_3}$

Now, sodium hydrogen carbonate is heated to obtain sodium carbonate.

Reaction:

$\sf{NaHCO_3-->Na_2CO_3+CO_2+H_2O}$

Recrystallization of sodium carbonate gives washing soda.

Reaction:

$\sf{Na_2CO_3+10H_2O-->Na_2CO_3.10H_2O}$

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