Solutions & Concentration

Which of the following types of solutions could still dissolve more solute?

• supersaturated

• saturated

• unsaturated

In salt water, what is the solvent?

• the salt

• the water

• the salt water

What is the concentration of a solution that has 3.0 moles of solute dissolved in 1.5 L of solution?

• 0.50 M

• 1.5 M

• 2.0 M

• 3.0 M

How many grams of NaCl (MM=58.44 g/mol) are dissolved in 1.0 L of a 0.5 M solution?

• about 29 grams

• about 58 grams

• about 116 grams

• about 232 grams

What is the concentration of the solution when 11 grams of CaCl₂ (MM = 110.98 g/mol) is dissolved in 1.0 L of solution?

• 0.10 M

• 1.0 M

• 11 M

• 111 M

If solvent is added to a solution, the concentration of the solution will...

• increase

• decrease

A solution has a volume of 350 mL. What is the volume of the solution in liters?

• 35 L

• 3.5 L

• 0.35 L

• 0.035 L

Which of the following shows how water molecules surround cations in solution?

• 
• 

Tags

NGSS.HS-PS1-3

Which of the following strategies could be used to increase the solubility?

• increase the temperature of the solution

• decrease the temperature of the solution

• increase the amount of solute

• decrease the amount of solute

Tags

NGSS.MS-PS1-4

The solubility of NaCl at 25°C is about 37 grams per 100 grams of water. How many grams of NaCl could be dissolved in 200 grams of water at 25°C?

• about 19 grams

• about 37 grams

• about 56 grams

• about 74 grams