\(m_{hhcl}=9.14-2.54=6.6\left(g\right)\)
\(n_{HCl}=2n_{H_2}=2\cdot\dfrac{7.84}{22.4}=0.7\left(mol\right)\)
\(m_{Muối}=m_{hh}+m_{Cl^-}=6.6+0.7\cdot35.5=31.45\left(g\right)\)
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