SODIUM SULPHATE 5 c.c. solution containing 0.4495 grams of Na 2 Sü 4 used in each observation. 
982 
(9) 
remarks 
£0 
«2 
73 o o o 
M ° Q Q 
«en 
O c§* 
zz 
(8) 
excess 
6.5 grs. i.e. 23°/ 0 
5.6 „ „ 20 „ 
4.5 „ „ 16 „ 
8.8 „ „ 31 „ 
(7) 
solubility at 
the exp. temp. 
28 at 25° 
Do 
Do 
Do 
(6) 
calc. wt. of salt 
dissolved in 
100 grams 
water 
34.5 
33.6 
32.5 
36.8 
(5) 
weight of 
water in grams 
1.3040 
1.3375 
1.3825 
1.2217 
(4) 
wt. of salt in 
grams 
0.4495 
Do 
Do 
Do 
(3) 
weight of 
solution in 
grams 
1.7535 
1.7870 
1.8320 
1.6712 
(2) 
wt. of bulb and 
sol. in grams 
20.0010 
25.8535 
27.8535 
24.9875 
0) 
weight of bulb 
in grams 
(1) 18.2475 
(2) 24.0665 
(3) 26.0215 
(4) 23.3123 
o o o 
Q Q Q 
o 
Q 
Q Q Q 
o 
Q 
00 CO O 04 
s s 
35 5 
The solubility data are taken from the works of Berkeley (Phil. Trans. 203 A, 209, 1904). 
