I 



! 



■ 



— 640 — 



Tabella I. 



ci 



N 



a 



o 



□Q 



N. 



Tempo 

 di 



reazione 

 in ore 



Soluzione 



Resto 



! 



1 

 1 



B 2 O s 



°/o 



CaO 

 °/o 



H 2 O % 



gr. 



B 3 0 3 



"lo 

 gr. 



CaO 



"lo 

 gr. 



H 2 o% 



gr. 



1 



120 



0.089 



0 2144 



99.696 



0.1194 



6.9730 



92.907 



j 



2 



130 



0.1335 



0.2294 



99.637 



16.669 



13.112 



70.519 





3 



130 



0.1402 



0.2239 



99.636 



15.319 



18.99 



65.691 





4* 



48 



0.2126 



0.3183 



99.469 



0.2083 



1.637 



98.16 



. 1 



5 



48 



0.2402 



0.3184 



99.441 



0.3246 



7.421 



92.254 



1 



6 



62 



0.2439 



0.2464 



99.509 



0.1778 



4.3125 



95.510 



| 



7 



65 



0.2573 



0.1774 



99.565 



9.406 



6.997 



83.596 





8* 



45 



0.2873 



0.3592 



99.353 



0.2873 



0.865 



98 85 





9 



45 



0 3270 



0.3894 



99.283 



1.8063 



3.171 



95.022 



I 



10 



96 



0.4215 



0.1201 



99.458 



11.205 



11.54 



77.255 



1 



! 1 



72 



0.6206 



0.1189 



99.261 



14.338 



12 373 



73.289 





12 



65 



0.6286 



0.1 189 



99 252 



7.208 



9.161 



83 630 





18 



88 



0.6887 



0.1203 



99.191 



1012 



10.10 



79.78 





14* 



44 



0.8353 



0.1296 



99.035 



1.555 



0.872 



97.57 





lo 



90 



0.8994 



0.1308 



98.970 



12.544 



16.092 



71.364 





16 



90 



1.438 



0.190 



98.372 



12.006 



10.513 



77.481 





17 



64 



1.7814 



0 208 



98.010 



'5.565 



22.51 



61.925 





18 



40 



1.9274 



0.1798 



97.893 



30.07 



9.63 



60.30 



I 



19 



90 



1.942 



0.2022 



97.856 



23526 



7.535 



68 909 





20 



140 



2.002 



0.182 



97.816 



17.25 



6.167 



76 583 



i 



21 



70 



2.003 



0 2006 



97.796 



31.512 



9.06 



-9.788 





22 



42 



2.1675 



0.2221 



97.61 



29.09 



9.705 



61.205 





23 



210 



2.20 13 



0.2384 



97.558 



15.048 



6.011 



78 941 



■ 



24 



48 



2.2298 



0.2376 



97.533 



29 59 



9.985 



60.425 





2o* 



48 



2.4614 



0 2784 



97.266 



2.7844 



0.6905 



96.52 





26 



40 



2.508 



0.282 



97.21 



12.664 



18.065 



69.271 





27 



48 



2.7213 



0 3063 



96 972 



13.728 



19.057 



67.215 





28 . 



120 



27813 



0.3013 



96.9174 



31.025 



8.986 



59 989 





29 



186 



2.852 



0.3056 



96843 



12.79 



9.614 



77.595 





30 



68 



2.9106 



0.3152 



96.7742 



28.324 



11.634 



60.042 



. ' 1 



SI 



40 



2.9555 



0.3395 



96.705 



11.601 



14.607 



73.792 





32 



87 



3 128 



0.1304 



96.7416 



25 627 



6.7607 



67.6123 



T riborato 



33 



69 



3 302 



0.3310 



96.317 



11.906 



13.95 



74.144 





34 



67 



3.313 



0.1433 



96.5434 



33.053 



9.1344 



57.8126 





35 



40 



3.315 



0.1661 



96.519 



30.508 



8.899 



60.593 





36 



90 



3.3292 



0 3865 



96.2843 



10.873 



11.812 



77.315 





I 



