Solutions and Concentrations

Milk is an example of what type of Mixture

• Colloid

• Suspension

• Miscible

• Saturated

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

Which of the solutions above is the most dilute

• A

• C

• E

• They are all the same concentration

If 43.0 g of sodium chloride is dissolved in 500 g of Acetic acid, what is the percent by mass of NaCl?

• 7.90 %

• 8.60 %

• 11.6 %

• 92.1 %

If 248 ml of acetone is mixed with 562 ml of water, what is the percent by volume of acetone?

• 69.4 %

• 44.0 %

• 30.6 %

• 2.23 %

If 9.1 g of sucrose is dissolved in 100.0 ml of water, what is the percent by mass of sucrose?

• 9.10 %

• 10.9 %

• 8.34 %

• 91.6 %

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

How many liters of water would be needed to make a 3.5 M solution salt of water if you started with 5.0 moles of NaCl?

• 0.700 L

• 1.43 L

• 8.50 L

• 17.5 L