Which catalyst is the best for the reaction betweeen Aluminum metal and HCl?

  1. 1. I need to know which compound out of Copper Sulfate, sodium chloride, potassium iodide and magnesium sulfate will be the best catalyst for the reaction between ALuminum metal and Hydrochloric acid.



    2. The chemical equation is : 2Al(s) + 6HCl(aq) -> 2AlCl3(aq) + 3H2(g)



    3. I believe that copper sulfate would do the trick because my teacher showed us an experiment in which copper sulfate was used but I am not sure.
     
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  3. How does the listed salts acts as catalyst for the reaction and what property of the salts give rise to it being a better catalyst?
     
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