The dissolved oxygen concentration data depending on time were measured and the data given in Table 3 , for the reactor system given above. given in Table 3 , for the reactor system given above. Table 3. The data of dissolved oxygen concentration versus time dtdCCgC=KLa(CgC)=Saturationconcentrationofdissolvedoxygen,equalsto6.98ppm(ppm=mg/liter)=Concentrationofdissolvedoxygenatanytimeinthereactor dtdC=KLa(CgC) Cg= Saturation concentration of dissolved oxygen, equals to 6.98ppm(ppm=mg/ liter) C= Concentration of dissolved oxygen at any time in the reactor Calculate KLa coefficient (which is a volumetric mass transfer coefficient for dissolved