\(n_{CO_2}=\dfrac{3.36}{22.4}=0.15\left(mol\right)\)
\(n_{HCl}=2n_{CO_2}=0.15\cdot2=0.3\left(mol\right)\)
\(n_{H_2O}=n_{CO_2}=0.15\left(mol\right)\)
\(BTKL:\)
\(m_{hh}+m_{HCl}=m_M+m_{CO_2}+m_{H_2O}\)
\(\Rightarrow m_M=13.7+0.3\cdot36.5-0.15\cdot44-0.15\cdot18=15.35\left(g\right)\)