Write the a) mass balance expression(s) and b) charge balance expression for barium sulfate, BaSO4, in 0.10 M HCl.  The pertinent equilibria are:


BaSO4(s) =  Ba2+  +  SO42-

H3O+  +  SO42-  =  HSO4- +  H2O

2H2O  =  H3O+  +  OH-

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