Progress Check: Concentration Calculations Molarity

What is the molarity of an NH₄Cl solution made by dissolving 2.5 moles of the salt in 1500 ml of water?

• 1.67 M

• 0.167 M

• 16.7 M

• 0.0167 M

What is the molarity of a 0.5L sample of a solution that contains 60.0 g of sodium hydroxide (NaOH)

• 0.8 M

• 1.5M

• 3.0M

• 6.0M

Which of the following is the correct formula for calculating molarity?

• moles/liters of solution

• moles/kg of solvent

• # particles/Avogadro's #

• theoretical yield/actual yield

Tags

NGSS.HS-PS1-5

Another name for a homogeneous mixture is 

• an element.
• a solution.
• a compound.

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

• True
• False

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