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Problema 4
DAU COROANA URGEEEN URGEEENT URGEEENT ​


Problema 4DAU COROANA URGEEEN URGEEENT URGEEENT class=

Răspuns :

100% ..................... 540 g Al impur

98% ....................... m.p = 529,2 g Al pur

529,2 g   n moli

    2Al  +  3Cl2  ---> 2AlCl3

  2x27        3

=> n = 529,2x3/2x27

= 29,4 moli Cl2