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The balanced chemical equation for this lab is: 3cucl2(aq) + 2al(s) 3cu(s) + 2alcl3(aq) if 10.5 g copper chloride react with 12.4 g aluminum, what is the limiting reactant?

The reaction q+r2=r2q is found to be first order in r2 and

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have