492 Proceedings of Royal Society of Edinburgh. [sess. 
(c) Sulphuric Acid and Lithium Sulphate. 
"W ith these solutions one series of experiments was made, similar 
to that with solutions containing acid sodium sulphate. The 
details are as follows : — 
I. 
II. 
H 2 S0 4 0-025 normal. 
HoS 0 4 0*05 normal. 
Li 2 S0 4 0*1 
Li 2 S0 4 0*1 
t 
X 
E - x 
7c 
t 
X 
E -x 
7c 
1659 
455 
1485 
7-00 
1393 
723 
1152 
15-2 
4272 
971 
969 
7-06 
1409 
731 
1144 
15-2 
4310 
974 
966 
7-03 
1429 
741 
1134 
15-3 
4380 
988 
952 
7*07 
1450 
749 
1126 
15-3 
4423 
996 
944 
7-07 
1470 
759 
1116 
15-3 
1940 
— 
7-05 
1875 
— 
15-3 
III. 
IY. 
h 2 so 4 
0*1 normal. 
H 0 S0 4 0*2 normal. 
Li 2 S0 4 
o-i „ 
Li 2 S0 4 0'1 
t 
X 
E -x 
7c 
t 
X 
E-« 
7c 
890 
489 
515 
32-5 
225-3 
295 
693 
68-4 
912 
495 
509 
32-3 
231 
305 
683 
69-4 
945 
509 
495 
32-5 
235 
308 
680 
69-1 
965 
518 
486 
32-6 
240 
315 
673 
69-5 
985 
527 
477 
32-8 
252 
325 
663 
68-8 
1005 
533 
471 
32*7 
265 
337 
651 
68-4 
OO 
1004 
— 
32*6 
OO 
988 
— 
68 9 
Y. 
h. 2 so 4 
0*35 normal. 
Li 2 S0 4 
o-i 
t 
X 
E -x 
7c 
151 
357 
648 
126*2 
160 
378 
627 
128-0 
170 
393 
612 
126*7 
180 
407 
598 
125*3 
190-3 
431 
574 
127-8 
200-6 
448 
557 
127-8 
OO 
1005 
— 
126-9 
As it was more convenient, for the purpose of calculation, to 
use the velocity constants per equivalent of sulphuric acid, these 
have been obtained from the observed values by dividing by the 
concentration of the acid, and are collected in the following 
table : — 
