Al(OH)3 + 3 HCl => AlCl3 + 3H2O
m Al(OH)3 = 2.6g => n Al(OH)3 = 2.6 g/ 78 (g/mol) = 0.033 mol Al(OH)3
1 mol Al(OH)3 .............. 3 mol HCl
0.033 mol Al(OH)3 ........x mol HCl
x= 0.033 x 3= 0.099 ~ 0.1 mol HCl
C= n/V => V HCl = n/C = 0.1/0.1 = 1L solutie HCl 0.1 M