796 MR. BRODIE ON THE CONDITION OF CERTAIN ELEMENTS 
the peroxide Q, which was used also in the experiments with the chloride (Table II.). 
Two equivalents of the carbonate were taken to one of the peroxide. 
Table X. — A. 
Peroxide of 
barium Q. 
Carbonate of silver. 
Chloride of silver 
found. 
Equivalent of 
oxygen. 
1 . 
' - 
3*025 grms. 
3*03 
9*2035 grms. 
9*2085 
1*339 grm. 
1*490 
0*0746 grm. 
0*0830 
Table X. — B. 
Oxygen in the 
Oxygen of the 
peroxide of 
carbonate of silver 
Ratio, a : 
Calculated ratio. 
barium Q = a. 
reduced = 'v^'. 
1. 
2. 
8*58 
2*46 
2*73 
7:2 
3 : 1 
2*45 
2*86 
Table X. — C. 
Oxygen in the 
Oxygen of the 
peroxide of 
barium Q = a. 
carbonate of silver 
reduced 
Ratio, a : ■vf. 
Calculated ratio. 
1. 
100 
28*67 
7:2 
28*57 
2. 
31*81 
3 : 1 
33*3 
Two other experiments were made with the same substance at a lower temperature, 
17° C. 
Table XI. — A. 
Peroxide of 
barium Q. 
Carbonate of silver. 
Chloride of silver 
found. 
Equivalent of 
oxygen. 
1. 
2. 
2*926 grms. 
3*012 
9*2075 grms. 
9*1525 
1*714 grm. 
1*938 
0*95556 grm. 
0*108 
Table XI. — B. 
Oxygen in the 
peroxide of 
barium Q = a. 
Oxygen of the 
carbonate of silver 
reduced =-^. 
Ratio, a : 
Calculated ratio. 
1 . 
2 . 
8*58 
3*26 
3*58 
5 : 2 
3*43 
Table XI.— C. 
Oxygen in the 
peroxide of 
barium Q=a. 
Oxygen of the 
carbonate of silver 
reduced = 'v^'. 
Ratio, a : i/-. 
Calculated ratio. 
1 . 
2 . 
100 
37-99 
41*72 
3 : 2 
40 
