Solubility of salts

Use the table below to identify which salts are soluble, and which salts are not.

To prepare soluble salts you must form crystals of them.

1. 1
   React the reactants

   .

   If it's not already done, to get the soluble salt, you must react the reactants.

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2. 2
   Filter

   .

   Then the solution is passed through filter paper into an evaporating dish to remove excess solid material.

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3. 3
   Wait

   .

   Now leave the solution. The liquid should evaporate and crystals of the salt will form in the dish.

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A precipitate is the name given to a solid salt that forms when an insoluble salt is produced from a reaction. For example, with barium chloride and magnesium sulphate...

Barium Chloride + Magnesium Sulphate ==>> Barium Sulphate + Magnesium Chloride BaCl2 + MgSO4 ==>> BaSO4 + MgCl2.

You will see a white precipitate of barium sulphate ...

To get a pure, dry sample of Barium Sulphate it must be:

1. 1
   Filtered.

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2. 2
   Washed with distilled water,

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3. 3
   Left to allow the excess water to evaporate.

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Please I need to get the solublities of mgcl2,cacl2,alcl3,nacl,li in acid and base?

Please help me out to get those answers because ii have searched the internet. Help out wit the questions please and I would really appreciate

The molar solubility represented by s is the concentration of a dissolved salt in an ionic solution. To find 's', you can use the solubility constant K_sp. For example, for the dissociation of MgCl₂

 *MgCl2      →   Mg++  +  2Cl-
    
                 s        2s
    
  
  Ksp = [s][2s]2 

  Ksp= 4s3

  s3=Ksp/4

  s = 3√(Ksp/4)

Write a method to explain how to obtain a pure dry sample of sodium chloride?

Give a method.. This is a test, therefore, I require a bit of help. To help find the solution and method, you must have a brain.

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