234 



KEY. S. M. JOHNSTON 



Ammonium Sulphate. 







Molecules 



of water of '. 



hydration 







on the assumption that 



Grm. eqs. 

 per Litre. 



Total 

 Grms. 

 hydrate 

 Water. 









Molecules 

 and Ions 

 hydrate. 

 Per Mol. 



Ions only 

 hydrate. 

 Per Ion. 



Molecules 



only 

 hydrate. 

 Per Mol. 







or Ion. 







•S60 



ro 



•022 



2-2 



1-7 



4-34 



3-5 



1-2 



2-3 



IS 



5-52 



4-4 



1-0 



2-3 



1-7 



6-50 



5-9 



1-0 



2-0 



L-6 



694 



6-3 



1-0 



2-5 



1-7 



7-10 



6-7 



10 



2-4 



1-5 



7 - 22 



7-2 



•9 



2-5 



1-8 



7-32 



6-6 



■9 



2-3 



1-5 



7-46 



5-7 



■75 



1-8 



1-2 



7-84 



5-5 



•71 



1-6 



1-1 



8-34 



4-7 



•48 



1-6 



•68 



The following hydration computations have been made for the salts of lithium 

 Lithium Bromide. Lithium Chloride. 







Molecules of water of . 



hydration 







on the 



assumptior 



that 



Grm. eqs. 

 per Litre. 



Total 



water of 



Hydration 



in Grms. 



Molecules 

 and Ions 

 hydrate. 

 Per Mol. 

 or Ion. 







Ions only 

 hydrate. 

 Per Ion. 



Molecules 



only 

 hydrate. 

 Per Mol. 



30 



•584 



1-1 



5-0 



6-2 



•764 



19 



5-8 



7-3 



26 



1-051 



2-6 



6-2 



8-4 



24 



1-260 



31 



6-1 



8-6 



21 



1-549 



3-8 



5-9 



8-4 



19 



1-731 



4-4 



5-8 



8-7 



17 



2-213 



5-0 



5-6 



8-9 



15 



2732 



5-5 



5-5 



9-0 



14 



2-945 



6-0 



5-3 



9-0 



13 



3286 



6-4 



5-2 



9-0 



12 



3-94 



7-2 



5-0 



9-0 



10 



4-48 



8-0 



5-2 



91 



9-8 



Grm. eqs. 

 per Litre. 



Total 



water of 



Hydration 



in Grms. 



Molecules of water of Hydration 

 on the assumption that 



Molecules 

 and Ions 

 hydrate. 

 Per Mol. 

 or Ion. 



Ions only 

 hydrate. 

 Per Ion. 



Molecules 



only 

 hydrate. 

 Per Mol. 



1-28 



2-23 

 2-87 

 3-60 

 4-25 

 4-70 

 5-31 

 5-98 



2-7 

 4-0 

 4-9 

 5-8 

 6-8 

 7-2 

 8-0 

 8-6 



3-1 

 4-2 

 4-0 

 4-0 

 4-1 

 4-0 

 3-6 

 3-5 



6 

 6 



7 

 7 

 7 

 7 

 8 

 8 



13 



11 



10 



9 



8 

 7 

 6 

 6 



[Table. 



