Hydrochloric acid(75.0 ml of 0.250 M) is added to 225.0 ml of 0.0550 M Barium hydroxide solution. What is the concentration of the excess H+ or OH- ions left in this solution?

Question

Hydrochloric acid(75.0 ml of 0.250 M) is added to 225.0 ml of 0.0550 M Barium hydroxide solution.  What is the concentration of the excess H+ or OH- ions left in this solution?

DrBob222 · Accepted Answer

2HCl + Ba(OH)2 ==> 2H2O + BaCl2 mols HCl = M x L = ? mols Ba(OH)2 = M x L = ? Determine the limiting reagent and go from there. Post your work if you get stuck and I can help you through.

Alivia · Answer

mols HCl= 0.01875 mols Ba(OH)2 = 0.012375