Answer to Question #108361 in General Chemistry for Philip

Question

Step by step procedures for the fractional crystallization of the following salts
1.Potassium sulphate and potassium nitrate.
2. Potassium bromide and potassium bromate.
3. Potassium chloride and potassium chlorate.

Answer 1

To dissolve them in a suitable hot solvent and then lowering the temperature slowly.

1)Potassium sulphate - 1069 ^оС

potassium nitrate - 334 ^оС

2) Potassium bromide - 734 ^оС

potassium bromate - 434 ^оС

3) Potassium chloride - 776 ^оС

potassium chlorate - 356 ^оС