210 REFUTATION OP THE SALT RADICAL THEORY, 
illustration be requisite, it will be found in a note sub- 
joined.* 
* It is easy to understand how a simultaneous appearance of oxygen 
and acid at the anode, and soda and hydrogen at the cathode, may ensue, 
simply by the electrolyzation of the alkaline base from the following 
association of formulae. 
Anhydrous sulphuric acid is represented by the usual formula, SO 3 ; 
oxygen by the usual symbol, O; sodium by Na; water, acting as a 
solvent, by HO. Each atom of oxygen, sodium, or acid, is numbered 
from right to left, 1, 2, 3, 4, so that the change of position consequent 
to electrolysis may be seen. 
1 
2 
3 
4 Water. 
Anode 



HO 
Cathode, 
1 
2 
3 
4 
Na 
Na 
Na 
Na 
1 
2 
3 
4 
SO 3 
S03 
S03 
S03 
HO 
HO 
HO 
HO 
1 
2 
3 
4 
Anode* 

O 
O 
H 
Cathode. 
1 
2 
3 
4 
Na 
Na 
Na 
Na 
2 
3 
4 
S03 
S03 
S03 
S03 
HO 
HO 
HO 
HO 
As the atoms are situated in the second arrangement, the atom of 
1 
oxygen (1,) is at the anode, the atom of sodium, Na, with which it 
had been united, having been transferred to the second atom of sul- 
phuric acid, which had yielded its sodium to the third atom of acid, 
3 
S03, this having, in like manner, yielded its sodium to the fourth atom 
4 4 
of acid, S03, from which the fourth atom of sodium, Na, had been ab- 
stracted by the electrolytic power. The atom of sodium thus removed 
from the fourth atom of acid, is represented in union with the oxygen 
of an atom of water, of which the hydrogen, H, is at the cathode. 
