Concentration Quiz

What is the concentration of 0.200 moles of hydrogen chloride in 100 ml of water?

What is the volume of a 0.500 mol/L solution of sulfuric acid, containing 0.250 moles of sulfuric acid? (Give numerical answer in ml)

How many moles of hydrochloric acid are there in 23.0 ml of a 1.25 mol/L solution? (Answer to correct number of SF)

How many moles of barium hydroxide are there in 22.0ml of a 1.50mol/l solution?

What mass of potassium hydroxide (KOH) is needed to prepare a 250ml solution of 0.200 mol/l solution?

Which solution has the greater concentration?

• 250ml of 0.1 mol/L HCl

• 10ml of 0.5 mol/L HCl

Which has more moles of solute?

• 25ml of 1 mol/L sodium hydroxide

• 500ml of 0.1 mol/L sodium hydroxide