Concentrations of Solutions

28g of CaCl was dissolved in 0.4 dm³ of water.

Calculate the concentration of the solution with the correct units.

• 70 g

• 70 g/cm³

• 70 g/dm³

• 70 dm³

1 dm³ is equal to which.

• 100 cm³

• 1 L

• 1000 g

• 10 cm³

How do you decrease the concentration of a solution. Choose 2 options

• add more solvent

• add more solute

• remove solute

• add more water

What term do we use to describe a less concentrated solution?

• Dilute

• Volume

• Aqueous

• Solvent

Calculate the mass percent of solution, if there is 100 g of sugar and 400 g of water

• 30%

• 25%

• 20%

• 15%

What is the concentration, in percent by volume, of 8 mL of solute in 500 mL of solution?

• 0.58%

• 0.0058%

• 5.8%

• 1.6%

The substance that is present in a greater amount is known as the

• Colloid

• Solute

• Solvent

• Solution

Two liquids that stay mixed together in any proportion are known as

• Insoluble

• Saturated

• Miscible

• Immiscible

When calculating molarity, the amount of solute must be in what unit?

• mililiters

• liters

• grams

• moles

What is the molarity of a solution of HNO₃ that contains 0.500 mol of HNO₃ and 250 ml of water?

• 0.002 M

• 0.5 M

• 2 M

• 500 M