SCHLUNDT SPEED OF THE LIBERATION OF IODINE 9 



(2) An excess of two molecules of K Cl O 3 enters, 1 



K Cl O 3 + 6 H Cl + 6 K I + 2 K Cl O 3 Excess. 

 A sample of 400 cc. of the mixture was prepared as follows : 



Normal Hydrochloric Acid 40 cc. 



Normal Potassium Iodide 40 cc. 



Three times normal Potassium Chlorate 40 cc. 



Water 280 cc. 



400 cc. 



After keeping 48 hours at the ordinary temperature of the 

 laboratory 20 cc. of this mixture required 0.4 cc. of twentieth 

 normal sodium thio sulphate solution. 



* Curve C, Figure 1. 



