Question
Asked Nov 1, 2019
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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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Expert Answer

Step 1

A reversible chemical reaction can move in either forward or backward direction. The stage of a reversible reaction at which the rate of forward and backward reaction become equal to each other is called an equilibrium stage.

Step 2

The equilibrium constant for a reaction is the ratio of equilibrium concentration of product and reactant. If the reaction is given in gaseous state, then the equilibrium pressure must be considered.

Step 3

To solve the multiple-Equilibrium problems by a Systematic Method, three steps must be followed:

  1. Equilibri...

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Equilibrium Concepts

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