Khối lượng chất Z (stearic acid \({{\rm{C}}_{17}}{{\rm{H}}_{35}}{\rm{COOH}}\)) là \(67,47 \approx 67,5\;{\rm{kg}}\)

\({\left( {{{\rm{C}}_{17}}{{\rm{H}}_{33}}{\rm{COO}}} \right)_3}{{\rm{C}}_3}{{\rm{H}}_5} \to {\left( {{{\rm{C}}_{17}}{{\rm{H}}_{35}}{\rm{COO}}} \right)_3}{{\rm{C}}_3}{{\rm{H}}_5} \to 3{{\rm{C}}_{17}}{{\rm{H}}_{35}}{\rm{COONa}} \to 3{{\rm{C}}_{17}}{{\rm{H}}_{35}}{\rm{COOH}}\)

            \(\frac{{{{10}^5}}}\)                                                                                       \(\frac\)