Question: how to find how many moles are needed to neutralize?
Answer: Step 1: Calculate the number of moles of OH-.
Molarity = moles/volume.
moles = Molarity x Volume.
moles OH- = 0.02 M/100 milliliters.
moles OH- = 0.02 M/0.1 liters.
moles OH- = 0.002 moles.