The number of water molecules present in 1 molecule of washing soda is
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Answer: 10
Washing soda has 10 water molecules as water of crystallisation. Water of crystallisation is the fixed number of water molecules present in one formula unit of a salt. When washing soda is exposed to air, it loses 9 molecules of crystallisation and becomes sodium carbonate monohydrate.
Na2CO3.10 H2O Air___> Na2CO3. H2O + 9 H2O
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Answer:No.of water molecule present in washing soda are 10.
Explanation:Because it's formula is Na2Co3.10H2o
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