what is an alum very short
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hlw...
Alum, any of a group of hydrated double salts, usually consisting of aluminum sulfate, water of hydration, and the sulfate of another element.
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Answered by
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Here is your answer mate !!
Alum is the double salt of potassium sulphate and aluminium sulphate .
It's Formula is :- KAl(SO4)2.12H2O, monovalent cation such as potassium.
Alum is a solid and is soluble in water.
It is used to enhance sedimentation.
It is also used as astringment.
It's Molar Mass Is 258.192 g/mol.
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