J.R. S. answered 05/01/20
Ph.D. University Professor with 10+ years Tutoring Experience
H2SO4 + Ba(OH)2 ==> 2H2O + BaSO4 ... balanced equation
From the balanced equation we see that 1 mole of H2SO4 reacts with 1 mole of Ba(OH)2.
Therefore, it will take 19.23 moles H2SO4 to react with/neutralize 19.23 moles of Ba(OH)2