24 ELEMENTS OF ELECTRICITY AND MAGNETISM. 



DENSITY OF DILUTE SULPHURIC ACID IN GRAMS PER CUBIC CENTIMETER 



AT i 8 C. 



o per cent. H,SO i 0.9986 



10 per cent. H 2 SO 4 1.0673 



20 per cent. H,SO 4 1.1414 



30 per cent. H,SO 4 1.221 



Per cent, of H 2 SO 4 in this table means the number of grams of H 2 SO 4 in 100 

 grams of the solution. 



The electrochemical equivalent of silver is 0.001118 gram per ampere per second. 



