Classify if BaS0^4 is a strong or weak acid, or strong or weak base, or salt?



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Posted on (Answer #1)

BaSO4 is called Barium sulfate. It is a salt. A salt can be produced from the reaction of acids and bases. If we track down the reaction of the production of BaSO4, we can see that Ba^2+ comes from the base and SO4^2- comes from the acid.

H2SO4 (aq)  + Ba(OH)2 (aq)  ---->  BaSO4 (solid)  + 2 H2O (liquid) 

ACID          +        BASE        ----->  SALT     +    WATER

Barium sulfate is an insoluble salt. Meaning, it cannot be dissolved in the solution of water. That is also the reason why it precipitates out in the solution. 



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