Question

calcule as concentraçoes molares de íons presentes nas soluçoes 0,0002 mol/l das seguintes substancias :

a) HCL
b) Ba(OH)2
c)AL(No3)3

Answer 1

a)H+=0,0002 mols /Cl-=0,0002 mols

b)Ba²+=0,0002 mols/(OH)-=0,0004mols

c)AL³+=0,002mols/(NO3)=0,006 mols