89.5 Arrhenius equation 9.5.2 The first quantitative study ChOU+h,o C6H12o6+ Chloe sucrose glucose fructose In 1850, Wilhelmy determined the residual concentration of sucrose by measuring the r=k[ClH22Oul change of the rotation angle of a beam of plane-polarized light passing through the k=0.0043s hydrolysis solution with optical activity Substance sucrose glucosefructose k is quite low 25 +66.50+520 920 Does k' change with acid concentration?C12H22O11 + H2O ⎯→ C6H12O6 + C6H12O6 sucrose glucose fructose Substance sucrose glucose fructose []D 25 +66.5 o +52 o - 92 o 12 22 11 r k = '[C H O ] k’ is quite low. In 1850, Wilhelmy determined the residual concentration of sucrose by measuring the change of the rotation angle of a beam of plane-polarized light passing through the hydrolysis solution with optical activity. 9.5.2 The first quantitative study §9.5 Arrhenius equation k = 0.0043 s-1 Does k’ change with acid concentration?