After which action would the concentration of a solution remain constant?(1 point)

Question

removing solution from the container
evaporating water from the container
adding solute to the solution
adding water to the solution

Answer 1

The concentration of a solution would remain constant after adding solute to the solution. This is because the amount of solute increases while the volume of the solution remains the same, resulting in a stable concentration. All other options either dilute the solution (adding water) or change the volume of solvent (removing solution or evaporating water), which would affect the concentration.