How much 0.300 M NaOH is required to completely neutralize 30.0 ml of 0.15 M HClO4

Clue: M1V1=M2V2

3 answers

The hint works the problem for you. Substitute the numbers and solve.
I still don't get it to i times .300x30.0 then times .300 x.15 i just don't understand what i am actually suppose to multiply
See above.