Question

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Answer 1

\(n_{Al}=\dfrac{5,4}{27}=0,2mol\\ 2Al+6HCl\rightarrow2AlCl_3+3H_2\\ n_{HCl}=\dfrac{6}{2}n_{Al}=0,6mol\\ n_{AlCl_3}=n_{Al}=0,2mol\\ n_{H_2}=\dfrac{3}{2}n_{Al}=0,3mol\\ C_{\%HCl}=\dfrac{0,6.36,5}{500}\cdot100\%=4,38\%\\ C_{\%AlCl_3}=\dfrac{0,2.133,5}{5,4+500-0,3.2}\cdot100\%=5,29\%\)