Chemistry, asked by AryamamGupta0070, 7 months ago

Why is Washing Soda is used to remove the permanent hardness of water? ​

Answers

Answered by kiratsingh2435
2

Answer:

The carbonate ions from sodium carbonate react with the calcium and magnesium ions in the water to produce insoluble product.

calcium ions + sodium carbonate → calcium carbonate + sodium ions

Ca

+2

+Na

2

CO

3

→CaCO

3

+2Na

+

The water is softened because it no longer contains dissolved calcium ions and magnesium ions, hence we can say that it is converted in soft water. It will now form lather easily with soap.

Answered by soham999555
3

Answer:

Sodium carbonate, Na2CO3, is also known as washing soda. It can remove temporary and permanent hardness from water. ... The water is softened because it no longer contains dissolved calcium ions and magnesium ions. It will form lather more easily with soap

Explanation:

i hope it will help you

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