(45) 
Solution : CuClb —2.16 GV°/,: HCI= 1.095 GV 2 (8N/10). 
Temps Nombre Poids du zine Perte de poids du zinc 
en de —— 
heures. séries, EU tee MOSS en 9/6. 
4 4 41,4870 7,9750 3,4890 
| D 1A3ATO | 78580 3,6590 
2 22,9740 | 45,8330 7,140 34.09 
2 1 11,5453 6,4040 3,1145 
9 11,5422 6,444 3,0708 
9 230875 | 128724 | 40,1851 44 AT 
3 1 44,4549 62432 | .3,2097 
2 11,4979 6,2944 3,2065 
2 | 929598 | 425366 | 40,462 45.38 
4 1 145250 | 6,196 53289 |. 
9 41,362 6.2274 5,3294 
2 230812 | 424232 | 106580 |: 46147 
3 1 41.3044 6,0337 5,4677 
9 114739 5,)799 8,490 
2 22,783 | 420136 | 409647 |: 47.1i 
6 1 11,904 3,8858 5,6043 
2: 113144 5,0543 5,560! 
2. 23,0045 | 41,8401 | 41,1644 48.53 
46 1 11,7942 5,3398 6,4644 
2 419166 5,5149 6,4047 
9 937408 | 108447 | 128664 |: 5422 
