n tinh bột = 1,62/162n = 0,01/n(kmol)
$(C_6H_{10}O_5)_n + nH_2O \xrightarrow{t^o,xt} n C_6H_{12}O_6$
n glucozo = n . n tinh bột . H% = n . 0,01/n . 85% = 0,0085(kmol)
$C_6H_{12}O_6 \xrightarrow{t^o,xt} 2CO_2 + 2C_2H_5OH$
n C2H5OH = 2 . n glucozo . H% = 2.0,0085.90% = 0,0153(kmol)
$C_2H_5OH + O_2 \xrightarrow{t^o,xt} CH_3COOH + H_2O$
n CH3COOH = n C2H5OH .H% = 0,0153.70% = 0,01071(kmol)
m CH3COOH = 0,01071.60 = 0,6426(kg)