Solutions & Molarity

In this mixture, which of the following will be the solute?

• The water in the glass
• The glass that holds the final mixture
• The solution containing both powder and water
• The powder on the spoon

Tags

NGSS.HS-PS1-5

If we are making Kool-aid with sugar, Kool-aid powder, and water, which part is the solvent?

• water
• powder
• sugar
• powder and sugar

What does the solute dissolve in?

• solvent
• mixture
• solute

What is a substance that is dissolved in another substance? 

• solution
• solute
• solvent
• compound

Which is an example of a solution?

• Chex Mix
• Mixed fruit
• Juice
• milk and cereal

Is Italian Salad Dressing a heterogeneous mixture or a homogeneous mixture?

• heterogeneous mixture
• homogeneous mixture

Tags

NGSS.MS-PS1-2

How many liters would you need to make a 1 M solution if you have 6 mol of Sodium Hydroxide? 

• 2
• 3
• 4
• 6 

What is the molarity of 4 g of NaCl (MM=58.45) in 3,800 mL of solution?

• 0.018 M
• 0.0011 M
• 1.052 M
• 0.062 M

How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (MM = 58.45)?

• 0.625 g NaCl
• 625 g NaCl
• 36.5 g NaCl
• 0.04 mol NaCl

Tags

NGSS.HS-PS1-7

Find the molarity of 186.55 g of sucrose, C₁₂H₂₂O₁₁ (MM = 342) in 250 mL of water.

• 2.18 M
• 0.746 M
• 1.18 M
• 0.545 M