No, they are not.
completely depends upon the intended use.
The chemical reaction is the following: (NH4)2CO3 + CaSO4 → (NH4)2SO4 + CaCO3
Aluminium sulfate is an industrial chemical used as a flocculating agent in the purification of drinking water and waste water treatment plants, and also in paper manufacturing.
(NH4)2SO4. Al2(SO4)3
Add water and pass it though a filter. Ammonium sulfate will dissolve in water, barium sulfate will not.
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