Unit 2 AOS 1 - pH and dilutions Quiz (8D)

pH is...

• a measure of concentration of H+ ions in a substance.

• a measure of concentration of OH- ions in a substance.

• a measure of concentration of acids

• a measure of concentration of bases

Determine the pH if the concentration of H3O+ is 0.0001M

• 3

• 4

• 5

• 6

Find the pH of an aqueous solution containing 1.46 g HCl in 4.00L of water

• 4

• 3

• 2

• 1

Find the [OH^-] if the [H₃O⁺] is 10^-4

• 10^-14

• 10^-3

• 10^-4

• 10^-10

Find the [OH^-] if the pH is 2.4

• 10^-4.8

• 10^-14

• 10^-2.4

• 10^-11.6

Calculate the molar concentration of nitric acid when 80.0 ml of water is added to 20.0 ml of 5.00M HNO3

• 0.1M

• 0.2M

• 0.4M

• 0.5M

15.0ml of 0.02M KOH is diluted to 60.0 ml. Calculate the pH of the diluted solution.

• 9

• 10

• 11

• 12

What is produced when you react sulfuric acid and zinc?

• Zinc oxide and water

• Zinc sulfate and hydrogen gas

• Zinc oxide and hydrogen gas

• Zinc sulfate and water

What is produced when you react hydrochloric acid and calcium carbonate?

• calcium dioxide, hydrogen gas and water

• calcium chloride, hydrogen gas and water

• calcium dioxide, carbon chloride and water

• calcium chloride, carbon dioxide and water

When you add and an acid and a base together, what is produced, and, what is the reaction called?

• salt and water, neutralisation reaction

• salt and water, acid base reaction

• salt and hydrogen gas, neutralisation reaction

• salt and hydrogen gas, acid base reaction