\(n_{Mg}=\dfrac{6}{24}=0,25\left(mol\right)\)
PT: \(Mg+2HCl\rightarrow MgCl_2+H_2\)
Theo PT: \(n_{HCl}=2n_{Mg}=0,5\left(mol\right)\)
\(\Rightarrow C_{M_{HCl}}=\dfrac{0,5}{0,1}=5\left(M\right)\)
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