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Potassium carbonate K2CO3 is a kind of salt.
It is also called as alum.
It is used in making glass and soap.

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salt can't be alkaline.......... how u wrote ???
Potassium carbonate is a white salt it is soluble in water it is a form of strongly alkaline solution formula is K2CO3  andmolar mass is 138.205 g/mol.
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