Question

O proba de 100mL solutie NaOH de concentratie 0.5 mol/L contine ?

Answer 1

CM = n/Vo =>

stim CM = 0.5 mol/L
        Vo  = 100 mL = 0.1 L 

CM = n/Vo => n=CM*Vo = 0.5*0.1 = 0.05 moli NaOH