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What happens to the crystals of washing soda when exposed in air??????

Question

What happens to the crystals of washing soda when exposed in air??????

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Solution

When washing soda crystals are exposed to air, they undergo a process called efflorescence. Here's a step-by-step explanation:

  1. Washing soda, also known as Sodium Carbonate Decahydrate (Na2CO3.10H2O), is a type of salt that contains ten molecules of water of crystallization.

  2. When these crystals are exposed to air, they start to lose their water of crystallization. This is because the water molecules are attracted to the moisture in the air.

  3. This process continues until all the water of crystallization is lost. The washing soda then turns into a white powder, which is anhydrous sodium carbonate (Na2CO3).

  4. This process is known as efflorescence. It's a common phenomenon in many salts that contain water of crystallization.

So, in summary, when washing soda crystals are exposed to air, they lose their water of crystallization and turn into a white powder.

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