posted by Michael .
A 5.0 mL sample of HCl is placed in a flask. Titration required 15.0 mL of .20 M NaOH. What is the molarity of the HCl in the sample?
mols NaOH = M x L = ?
mols HCl = mols NaOH (from the coefficients in the balanced equation.
MHCl = mols HCl/L HCl