Utilizando 148 g de hidróxido de cálcio Ca(OH)2, a massa obtida de CaCl2, segundo a equação balanceada, é:2 HCl (aq) + Ca(OH)2 ⇒ CaCl2(aq) + 2 H2O
Dados: Ca —40 g/mol; Cl — 35,5 g/mol; O — 16 g/mol; H — 1 g/mol.
a) 111g  
b) 75,5g   
c) 222g   
d) 74 g     
e) 22,4 g    
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