a 

 a 





270 PROCEEDINGS OP THE AMERICAN ACADEMY 



Portion A], Right. 



(8G) 0.4332 gr. gave 0.1630 gr. C 2 3 = 37.63 per cent. 



(87) 0.3239 gr. " 0.1217 gr. " = 37.57 



(88) 0.6813 gr. " 0.3062 gr. R 2 3 = 44.94 " 



(89) 0.6749 gr. " 0.3035 gr. " = 44.95 " 



Atomic mass 105.1. 



Portion A 2 Right. 



(90) 0.3317 gr. gave 0.1161 gr. C 2 3 = 35.02 per cent. 



(91) 0.3216 gr. " 0.1126 gr. « =35.00 " 



(92) 0.6800 gr. " 0.2823 gr. R 2 3 = 41.52 



(93) 0.6529 gr. « 0.2709 gr. " = 41.50 



Atomic mass 104.05. 



B 2 Right. 



(94) 0.3785 gr. gave 0.1314 gr. C 2 3 = 34.73 per cent. 



(95) 0.2882 gr. « 0.0999 gr. " = 34.68 



(96) 0.6187 gr. " 0.2676 gr. R 2 3 = 43.25 



(97) 0.6421 gr. " 0.2770 gr. " =43.24 



Atomic mass 110.45. 



A 2 Left. 



(98) 0.3458 gr. gave 0.1290 gr. C 2 3 = 37.31 per cent. 



(99) 0.4089 gr. " 0.1523 gr. " = 37.24 



(100) 0.6892 gr. " 0.3062 gr. R 2 3 = 44.43 



(101) 0.5986 gr. " 0.2660 gr. " =44.44 



Atomic mass 104.75. 



A 3 Right. 



(102) 0.3002 gr. gave 0.1162 gr. C 2 3 = 38.73 per cent. 



(103) 0.3251 gr. " 0.1260 gr. " =38.77 " 



(104) 0.6667 gr. " 0.3031 gr. R 2 3 = 45.44 " 



(105) 0.7642 gr. " 0.3478 gr. " =45.51 " 



Atomic mass 102.75. 



(106) A 2 , B 3 Right. 



(107) 0.3426 gr. gave 0.1307 gr. C 2 3 = 38.16 per cent. 



(108) 0.3401 gr. « 0.1298 gr. " =38.18 " 



(109) 0.8197 gr. « 0.3728 gr. R 2 3 = 45.46 " 



(110) 0.7623 gr. " 0.3467 gr. " =45.47 " 



Atomic mass 104.65. 



if 

 u 



