Note:/is the fractional proof: let the concentration of liquid A be X, the concentration of liquid B be Y, the volume of liquid A be V 1, and the volume of liquid B be V2.

Then: the amount of substance after mixing the two solutions is: X*V 1+Y*v2.

Then, the concentration of the mixed solution is (X*V 1+Y*V2)/(X+Y).

Because that volume of the two solutions are different,

So: (X*V 1+Y*V2)/(X+Y) is obviously not equal to X+Y.

Therefore, it is impossible to make the solution reach the same concentration by mixing.