32 



HYDRATES IN AQUEOUS SOLUTION. 



LITHIUM IODIDE. 



The total amount of water in combination with the salt increases with 

 the concentration of the solution in a fairly regular manner. The number 

 of molecules of water in combination with one molecule of the salt 

 increases from the most concentrated to the most dilute solution. 



TABLE 4. LITHIUM IODIDE. 



LITHIUM NITRATE. 



The sample of lithium nitrate used was obtained in well-crystallized 

 form. It was heated to 120 C. for several days in an air-bath, and was 

 then allowed to cool in a desiccator over calcium chloride. When cool, 



