Molarity 4B

True or False?

Adding more solute to a solution would decrease the concentration of the solution.

• True

• False

Tags

NGSS.HS-PS1-5

Molarity is measured in _____.

• moles per gram

• moles per liter

• moles per millimeter

• moles per milliliter

Tags

NGSS.HS-PS1-5

The _____ is the substance that is being dissolved.

• solute

• solvent

What is a solvent?

• The substance that does the dissolving in a solution.

• The substance that is being dissolved in a solution.

• The mixing of different substances.

• The process in which neutral molecules lose or gain electrons.

How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of 125 mL?

• 1074 moles

• 0.069 mole

• 1.07 moles

• 62.7 moles

Which represents the unit for molarity?

• M

• m

• ML

• Mr

Tags

NGSS.HS-PS1-5

What is the molarity of a 0.5L sample of a solution that contains 1.5 moles of sodium hydroxide (NaOH)

• 3.0 M

• 0.75 M

• 0.33 M

• 6.0 M

Which is a true statement?

• A 4.5 M solution is more highly concentrated than a 3.5 M solution.

• A 4.5 M solution is less concentrated than a 3.5 M solution.

• A 3.5 M solution is more highly concentrated than a 4.5 M solution.

• The concentrations of a 4.5 M solution and a 3.5 M solution would be the same.

What is the molarity of 3 moles of hydrochloric acid in 3 L of water?

• 3 M

• 1 M

• 6 M

• 9 M

Choose the molarity below for which sweet tea would taste the sweetest.

• 1M

• 3M

• 3.1M

• 2.5M

Tags

NGSS.HS-PS1-5