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How many molecules of water of crystallisation (per formula unit) are present in: Washing soda

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Question

How many molecules of water of crystallisation (per formula unit) are present in:

Washing soda

Very Short Answer
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Solution

Washing soda crystals (sodium carbonate crystals) contain 10 molecules of crystallisation in one formula unit. The chemical formula is Na2CO3.10H2O (sodium carbonate decahydrate).

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Chapter 2: Acids, Bases and Salts - Exercise 3 [Page 124]

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Lakhmir Singh Chemistry [English] Class 10
Chapter 2 Acids, Bases and Salts
Exercise 3 | Q 82. (b) | Page 124
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