1094 
BENZOIC ACID (recrystallised) 5 c.c. solution containing 0.0052 gr. used in each operation. 
(6) 
(1) (2) (4) (5) calc. wt. of sub- (7) (8) (9) 
weight of wt. of bulb | wt. of sol. | wt. of sub- | wt. of water | stance dissolv-/ solubility at | excess ATD 
bulb in grs. | andsol. in grs. stance in grs. in grams ed in 100 grs. [the exp. Temp. us 
water 
: No ppt. with 
(1) 18.2425 19.3486 0.0052 1.0999 0.472 0.41 at 30° [0.062 gr. i.e.15/p salicylic acid 
(2) 19.2487 20.3689 Do 1.1150 0.466 Do OBO dln Do 
(3) 18.3068 19.3274 Do 1.0154 0.512 Do OM O2 ZN Do 
(4) 21.8008 22.8532 Do 1.0472 0.496 Do 10.086 „ , 20, Do 
(5) 22.7146 | 23.7238 Do 1.0040 0.518 Do OPOE cin, Do 
| 
Fresh solution containing 0.0056 gr. in 5 c.c. used in each exp. 
| 
| : No crystals with 
(6) 18.7532 19,7642 | 0.0056 1.0086 0.555 0.41 at 30° (0.145 gr. i.e. 350/, salicylic acid 
(7) 19.2315 20.2408 | Do 1.0037 0.557 Do OAT e305; Do 
(8) 14.7832 15.7874 | Do 0.9986 0.560 Do (O50 re Do 
