Respuesta :

Neetoo

Answer:

M₂  = 0.16 M

Explanation:

Given data:

Initial volume of solution = 20 mL

Initial concentration = 1.0 M

Final volume = 120 mL

Final/new concentration = ?

Solution:

Formula:

M₁V₁     =    M₂V₂

by putting values,

1.0 M × 20 mL = M₂ × 120 mL

M₂  = 1.0 M × 20 mL / 120 mL

M₂  = 20 M.mL /120 mL

M₂  = 0.16 M