Solubility,Molarity, Molality, Dilutions

What is the molarity of 4 grams of sodium chloride in 3,800 mL of solution?

• 0.018 M
• 0.018 mol
• 1.052 M
• 1.052 mol

The ___ is the thing being dissolved

• solute
• solvent

True or false? Insoluble means that two substances can dissolve in one another.

• true
• false

Which sweet tea would you expect to taste the sweetest?

• 1M
• 3M
• 3.1M
• 2.5M

Molarity is measured in

• moles per kg
• mols per L
• moles per kJ
• moles per mL

How many L are required to make 3.5 M hydrochloric acid using 1.1 moles? 

• 3.18 L
• 0.31 L
• 3.85 L
• 4.6 L

Tags

NGSS.HS-PS1-7

If you have 0.045 L of 0.465 M potassium bromide. How many moles of potassium bromide are present?

• 20.9 mol
• 0.021 mol
• 0.02 mol
• 0.0209 mol

Tags

NGSS.HS-PS1-7

What is the molarity in 650. ml of solution containing 63 grams of sodium chloride?

• 2.4 M
• 0.86 M
• 1.7 M
• 0.54 M

A student is preparing solutions for a laboratory experiment by dissolving solid solutes in liquid solvents. Which action will increase the rate of solubility

• lowering the temperature of the solvent

• stirring the solute in the solution

• increasing the pressure on the solution

• increasing the particle size of the solute

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which of the following types of solutions has more room to dissolve solute?

• supersaturated

• saturated

• unsaturated