Question

What volume of a 0.500 M NaOH solution is needed to neutralize 60.0 mL of 0.15 M HCl solution?

Answer 1

mols HCl = M x L = ?
mols NaOH = mols HCl (look at tahe coefficients; the rxn is 1:1).
Then M NaOH = mols NaOH/L NaOH.