\(V_{C_2H_5OH}=\dfrac{50.23}{100}=11,5\left(ml\right)\\ m_{C_2H_5OH}=11,5.0,8=9,2\left(g\right)\\ n_{C_2H_5OH\left(tt\right)}=\dfrac{9,2}{46}=0,2\left(mol\right)\\ n_{C_2H_5OH\left(lt\right)}=\dfrac{0,2}{80\%}=0,25\left(mol\right)\)
PTHH:
\(C_6H_{12}O_6\underrightarrow{\text{men rượu}}2C_2H_5OH+2CO_2\)
0,125 <----------------- 0,25
\(m_{C_6H_{12}O_6}=0,125.180=22,5\left(g\right)\)