Solutions and molarity

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

• 2
• 3
• 4
• 6 

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

True or False? The higher the concentration of a solution the less solutes it has in it.

• True
• False

Tags

NGSS.HS-PS1-5

In general as temperature decreases, the solubility...

• increases

• decreases

• stays the same

Tags

NGSS.MS-PS1-4

What is a solvent

• the liquid in which a solute is dissolved to form a solution.
• Another word for solution
• A thing that make drinks turn colors
• Its a metal molecole

Which is an example of a solute?

• Egg whites
• Sugar
• Water
• Acetone

Concentration of a solution is expressed in

• moles
• molar
• molar mass
• molarity

Tags

NGSS.HS-PS1-5

If 5 moles solutes added to 1 dm³ of solution, concentration will be

• 5M
• 2M
• 1M
• 1.5M

To prepare 1M of NaOH, you will need a mass of ______g NaOH

• 23g
• 40g
• 4g
• 39g

Tags

NGSS.HS-PS1-7

To prepare 2.5M of NaOH, you will need a mass of ______g NaOH

• 10g
• 100g
• 40g
• 80g

Tags

NGSS.HS-PS1-7