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1) Show how the following substance reacts with water by completing the equation below:

HBr (aq) + H2O (l) --->

2) Write a dissociation equation to show how LiOH (s) reacts in water to yield a solution with a pH of 12.

3) Use the modified Arrhenius theory to suggest a chemical reaction to explain the acidic properties of a solution containing HOCl(aq).

4) Use the modified Arrhenius theory to explain the basic properties of the following solution: Na2SO4 (aq).

Use appropriate chemical equations to support your answer.

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