Hỗn hợp X gồm glyxin và tyrosin.

\(m\left\{\begin{matrix} OH-C_{6}H_{5}-CH_{2}-CH(NH_{2})-COOH:x \\ NH_{2}-CH_{2}-COOH:y \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \end{matrix}\right. \bigg \langle \begin{matrix} \xrightarrow[]{ \ NaOH \ }(m+8,8) \ \ \ \left\{\begin{matrix} ONa-C_{5}H_{5}-CH_{2}-CH(NH_{2})-COONa \\ NH_{2}-CH_{2}-COONa \end{matrix}\right. (1) \\ \xrightarrow[]{ \ \ HCl \ \ }(m+10,35)\left\{\begin{matrix} OH-C_{6}H_{5}-CH_{2}-CH(NH_{3}Cl)-COOH \\ NH_{2}-CH_{2}-COOH \end{matrix}\right. (2) \end{matrix}\)
\(\left\{\begin{matrix} \xrightarrow[]{ \ \ TGKL \ }2x+y=\dfrac{8,8}{22}=0,4 \\ \xrightarrow[]{ \ \ TGKL \ }x+y=\dfrac{10,95}{36,5}=0,3 \end{matrix}\right.\) \(\rightarrow \left\{\begin{matrix} x=0,1 \\ y=0,2 \end{matrix}\right.\rightarrow m=0,1.181+0,2.75= 33,1 \ (g)\)