108. Solving a chemistry problem
15. Determine the equivalent masses of salts entering into the following exchange reactions:
1) Fe(OH)2Cl 2HCl = FeCl3 2H2O;
2) Al(OH)(CH3COO)2 3НCl = AlCl3 2CH3COOH H2O;
3) KAl(SO4)2 2BaCl2 = KCl AlCl3 2BaSO4↓
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