Science, asked by sumitkumar76128, 7 months ago

name the compound which is obtained from baking soda and is used to remove permanent hardness of water.
write the chemical formula?
what happen when it aqueous solution recrystallised form its​

Answers

Answered by kanishka7895
2

Explanation:

Sodium carbonate...

Na2Co3

Answered by dkm4808
2

Answer:

Na2CO3 or Sodium Carbonate is Obtained from the Baking soda and is used as an agent to remove permanent hardness of water.

When it is recrystallised it gains 10 Water molecule which are called Water of crystallisation to form Sodium Carbonate decaHydrate

Na2CO3 + 10H2O ------> Na2CO3.10H2O(Washing Soda)

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