\(BTKL:\)
\(m_{NaOH}=2.05+0.94-1.99=1\left(g\right)\)
\(n_{NaOH}=0.025\left(mol\right)\)
\(n_{Muôi}=0.025\left(mol\right)\)
\(M_{\overline{R}OH}=\dfrac{0.94}{0.025}=37.6\)
\(ancol:CH_3OH,C_2H_5OH\)
\(M_{RCOONa}=\dfrac{2.05}{0.025}=82\)
\(\Rightarrow R=15\)
\(Este:CH_3COOCH_3,CH_3COOC_2H_5\)