Question

If 58g of NaOH are dissolved in water to make a final volume of exactly 400mL, what is the molar concentration of NaOH? (The FM of NaOH = 40.0)

How do I set this up?

Answer 1

moles NaOH = grams/mola mass
M = moles/L

Answer 2

You don't

Answer 3

3.6 M NaOH