2Al + 6HCl --> 2AlCl3 + 3H2
Masa molara Al =27g/mol
Masa molara HCl=36,5g/mol
pe reactie:
2*27g Al......................6*36,5g HCl
162g Al.............................x
x=(162*6*36,5)/2*27 =35478 / 54 =657g HCl (=md)
c=md*100/ms => ms= md*100/c =657*100 / 20 =3285 g solutie HCl