Draw up the equations of the qualitative reaction for sulfates in molecular and ionic form.

univerkov | May 8, 2021 | education

A qualitative reaction to sulfates, and specifically to the SO4 (2-) ion, are solutions of barium salts (more precisely, Ba (2+) ions):

BaCl2 + Na2SO4 = BaSO4 + 2NaCl
Ba (2+) + 2Cl (-) + 2Na (+) + SO4 (2-) = BaSO4 + 2Na (+) + 2Cl (-)
Ba (2+) + SO4 (2-) = BaSO4

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