Intro to Solutions & Molarity

True or False:

Solutions are homogeneous mixtures.

• True

• False

True or False:

In a homogeneous mixture, the ingredients cannot be distinguished.

• True

• False

Salt is dissolved in water to make a saltwater solution.

Which ingredient is the SOLUTE?

• Salt

• Water

Tags

NGSS.MS-PS1-2

Salt is dissolved in water to make a saltwater solution.

Which ingredient is the SOLVENT?

• Salt

• Water

Solutions with small amount of solute are called:

• dilute

• concentrated

• dissolved

Tags

NGSS.HS-PS1-5

Solutions with larger amounts of solute are called:

• dilute

• concentrated

• dissolved

Tags

NGSS.HS-PS1-5

Molarity is used to determine the _____________ of a solution

• Amount

• Solubility

• Concentration

What is the abbreviation for Molarity?

• mol

• M

• ML

Tags

NGSS.HS-PS1-5

Which value shown is the most concentrated solution?

• 0.250 M

• 1.5M     

• 0.998M

10) Calculate the Molarity of a solution that contains 2.5moles of HCl dissolved in enough water to make a 0.25L solution.

• 10 M

• 0.10 M

• 0.625 M