Molarity Problem (1 Viewer)

[deadbeat]

what 3.25M NaOH is needed to prepare 500ml of 1.0molar solution

i can do m1v1=m2v2

i get answer 167ml.

however can someone explain logically how to figure this problem out without the m1v1=m2v2 formula?

 

[deadbeat]

oops 154 is correct