ANORGANISCHE EN ORGANISCHE VERBINDINGEN. 25 



C2H2O4. 415.5 H3O t = 140 dunr (liff. l'' 232/3" 



I = 1.05 CC KOH := 491 



II = 2.85 » » = 1332 



m = 6.8 > ^ — 3178 . . . 0.223 



voor IV = 10.7 » » = 5000 . . . 0.260 0.260 



• «-^^n O, 



. 0.262) 



256 



Som: 21.4 » » 10001 0.258 



At 



2i/ kt 



= 0.258 k — 0.935 



Cg Ha O4 . 689 Ha O t— 14° duur diff l' 20 Vg" 

 I = 1.15 CC KOH — 454 ... 0. 



).254) 

 h258j 



II =z 8.45 » » = 1364 . . . 0~""' 

 III = 8.1 => » =zr 3201 ... — 

 voor IV = 12.6 » » = 4980 . . . 0.259 0.259 



Som: 25.3 » » 9999 0.257 



2\/kt 



= 0.257 k z= 1.013 



Ca Ha 0^.719.9 Ha O t = 91/3° duur diff. i*^**'! 

 I = 0.05 CC KOH = 38 . . . 0.398) 



!!»• 



= 413 .. . 0.434) "■ 



== 2782 . . . 0.438 



— 6767 . . . 0.434 0.434 



2\/ kt 



» 10000 0.431 



0.431 k = 0.810 



Ca HjO^. 719.9 Ha O t = 10" duur diff. 273/33-1 



1 = 0.65 CC KOH = 489 . . . 0.249 1 



11 = 1.85 » » = 1391 . . . 0.255J 



III = 4.2 » » = 3158 . . . 0.216 



voor IV = 6.6 » » = 4962 . , . 0.257 0.257 



'j 0.252 



Som: 13.3 » » 10000 0.254 



A, 



_ 0.254 k = 0.839 



2[/ kt 



D 4 



NAniURK. VEEH. DBB KOMINKL. AKADEMIE. DKEL XXVI. 



