Question

If I prepare a solution by adding 25 mL of 2.0 M NaOH into a 500 mL volumetric flask, and filling the flask to the mark with water, what will the final concentration of the solution be? [1] 0.05 M

[2] 0.1 M

[3] 0.5 M

[4] 2.0 M

[5] 40.0 M 

Answer 1

[2] 0.1 M