J.R. S. answered 09/19/19
Ph.D. University Professor with 10+ years Tutoring Experience
The acid in vinegar is acetic acid (HAc). It has the structure of
CH3COOH. The reaction between NaOH and HAc is...
NaOH + HAc ==> H2O + NaAc
moles NaOH used = 0.00965 L x 1.05 mol/L = 0.0101 moles (to 3 sig figs).
Maybe your question meant to ask for moles or molarity of the acid.