Assignment 3: Neutralization Reaction Calculations

According to the pH scale, if something is neutral, it is said to be a pH of ___

• 10

• 8

• 1

• 7

What two things are produced in a neutralization reaction?

• salt and water

• just pure water

• just a salt

• none of these

If 25.0 mL of 0.500 M hydrochloric acid (HCl) is used, how many mL of sodium hydroxide (NaOH) are required for complete neutralization for a molarity of 0.400 M of NaOH?

• 31.25 mL

• 30.00 mL

• 32.50 mL

• 33.75 mL

A solution contains 0.250 M sulfuric acid (H₂SO₄). How many milliliters of 0.100 M sodium bicarbonate (NaHCO₃) are needed to neutralize 50.0 mL of the sulfuric acid solution?

• 125 mL

• 250 mL

• 100 mL

• 50 mL

Calculate the volume of 0.200 M potassium hydroxide (KOH) required to neutralize 30.0 mL of 0.150 M acetic acid (CH₃COOH).

• 10.0 mL

• 22.5 mL

• 30.0 mL

• 45.0 mL

If 40.0 mL of 0.300 M nitric acid (HNO₃) is neutralized by sodium hydroxide (NaOH), what is the volume of 0.250 M NaOH needed for complete neutralization?

• 48.0 mL

• 50.0 mL

• 52.0 mL

• 54.0 mL

A reaction between 0.500 M phosphoric acid (H₃PO₄) and 0.300 M sodium hydroxide (NaOH) is performed using 40 mL of NaOH. What will the volume of H₃PO₄ be to neutralization the base?

• 24 mL

• 20.0 mL

• 25.0 mL

• 30.0 mL

How many mL of 0.7 M calcium carbonate (CaCO₃) are needed to neutralize 100.0 mL of 0.200 M hydrochloric acid (HCl)?

• 14.3 mL

• 28.6 mL

• 35.7 mL

• 50.0 mL

If 60.0 mL of 0.150 M hydrochloric acid (HCl) is neutralized by 0.100 M sodium hydroxide (NaOH), what volume of NaOH is required?

• 90.0 mL

• 60.0 mL

• 75.0 mL

• 45.0 mL

Calculate the number of mL of a 2.5 M NaOH solution needed to neutralize 75.0 mL of 0.400 M sulfuric acid (H₂SO₄).

• 12.0 mL

• 24.0 mL

• 48.0 mL

• 60.0 mL