Nature of Solution s. 

 Fig. 2. 



431 



40 00 



Per cent. H 2 S0 4 . 



Heat o. 



5,000 





Fio-. 3. 





Heat 







cap. 







1*0 







0-9 











HI 1 H 





j?^ Tia^^^n^B Bfci •• / 't-V - ? 1 7r"JP -BPW^^J^S ^ 



HB . 









0-5 

 03 



HI II In 





Expansion 

 for 3„ . 



20 40 00 SO 100 



Per cent. H. 2 SO„. 



Note. — Points have been inserted in these diagrams through error ; 

 they do not represent the experiments, which are very numerous. 





