Question

State in brief the preparation of washing soda from baking soda. Write balanced chemical equation of the reaction involved.

Answer 1

Answer: The balanced equation is given below.

Explanation:

When baking soda is heated, it produces sodium carbonate, water and carbon dioxide as the products.

The sodium carbonate obtained above as a product is then dissolved in water to obtain crystals of washing soda by the process of crystallization.

The equation for the formation of washing soda from baking soda is given by:

$NaHCO_3\overset{\Delta}{\rightarrow}Na_2CO_3+CO_2+H_2O\\\\Na_2CO_3+10H_2O\rightarrow Na_2CO_3.10H_2O$

Answer 2

Baking soda

Explanation:

Baking soda or sodium hydrogen carbonate produces sodium carbonate upon heating and further produces washing soda along with carbon dioxide and water, on recrystallization. The chemical formula for this is as follows:

• 2NaHCO3 heating  Na2CO3  + CO2   + H2O

Sodium carbonate produces baking soda upon heating and this sodium carbonate crystallizes in aqueous solution to produce washing soda.  

• Na2CO3  + 10H2O  hearing  Na2CO3  . 10H2O  

Hence Na2CO3  . 10H2O is the chemical formula for washing soda.  

To learn more:

1. Which kind of reaction produce insoluble salt? What is meant by double displacement reaction?:

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2. Insoluble salt formed by reaction between a metal and nonmetal​:

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