Acid-base titration calculations

What is the equivalence point of a titration?

• Where the amount of acid and base are balanced according to the equation

• Where there is no base

• At the end

What is the concentration of HCl solution if 24.0 cm³ of HCl are completely neutralized by 36.0 cm³ of 0.25 M NaOH solution?

• 0.375 M

• 3.62 M

• 0.172 M

• 35.4 M

If it takes 25 cm³ of 0.5 M HCl to neutralize 27.5 cm³ of NaOH solutions, what is the concentration of the NaOH solution?

• 0.45 M

• 276 M

• 0.036 M

The reaction of perchloric acid (HClO₄) with lithium hydroxide (LiOH) is described by the equation

HClO₄ + LiOH → LiClO₄ + H₂O

Suppose 100 cm³ of perchloric acid is neutralized by exactly 50.0 cm³ of 1.0 M of lithium hydroxide. What is the concentration of the perchloric acid?

• 0.5 M

• 50 M

• 2.0 M

• 1.0 M

24cm³ of NaOH is neutralized by 12.0cm³ of 0.25mol/dm³ HCl. What is the concentration of the NaOH.

• 82 mol/dm³

• 0.82 mol/dm³

• 0.49 mol/dm³

• 0.125 mol/dm³

If it takes 34 cm³ of 0.1 M NaOH to neutralize 102 cm³ of HCl solution, what is the concentration of HCl?

• 0.033 M

• 23.148 M

• 0.231 M

The reaction of sulfuric acid (H₂SO₄) with Sodium hydroxide (NaOH) is described by the equation:

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

Suppose 50 cm³ of NaOH with unknown concentration is placed in a flask with bromthymol blue indicator. A solution of 0.20 M H₂SO₄ is dripped into the NaOH solution. After exactly 25.0 cm³ of H₂SO₄ is added, the indicator changes from blue to yellow. What is the concentration of the KOH?

• 0.20 M

• 4.0 M

• 2.5 M

• 0.4 M

Calculate the volume of a 0.15 M Ba(OH)2 solution required to completely neutralize 45 cm³ of a 0.29 M HNO3 solution.

• 43.5 cm³

• 87 cm³

• 23.3 cm³

• 51.9 cm³