Concentration & Dilution Practice

What would you use to measure the volume of the liquid inside?

• milliliters
• liters

What would you use to measure the volume of the liquid inside?

• milliliters
• liters

What would you use to measure the volume of the liquid inside?

• milliliters
• liters

What would you use to measure the volume of the liquid inside?

• milliliters
• liters

When you make a dilution, which of these values remains constant?

• The molarity (M)

• The total moles of solute

• The volume (V)

• The concentration

Tags

NGSS.HS-PS1-7

As we dilute a solution.....

• The volume increases and the molarity (M) increases

• The volume increases and the molarity (M) decreases

• The volume decreases and the molarity (M) increases

• The volume decreases and the molarity (M) decreases

Tags

NGSS.HS-PS1-5

When Na₂O is added to water it reacts violently instead of making a solution. What is the molar mass of Na₂O?

• 62 g/mol

• 39 g/mol

• 55 g/mol

• 100 g/mol

Molarity is ...

• grams of solute/deciliters of solvent.

• grams of solute/liters of solution.

• moles of solute/liters of solution.

• moles of solute/milliliters of solvent.

Which sweet tea would you expect to taste the sweetest?

• 1M
• 3M
• 3.1M
• 2.5M

50 ml of a 1 M solution is diluted until the final volume is 80ml. How much water was added?

• 50 ml

• 1.3 ml

• 30 ml

• 130 ml

Tags

NGSS.HS-PS1-7