Dilution of a Solution

Which of the following is the Dilution Formula?

• M₁V₁ = M₂V₂

• M = m/V

• M = mol/L

• PV = nRT

Tags

NGSS.HS-PS1-5

What volume, in milliliters, of 10.0 M NaOH is needed to prepare 300.0 mL of 2.00 M NaOH by dilution?

• 0.0667 mL

• 60.0 mL

• 100. mL

• 125 mL

A dilution is when

• solute is added to the volume of solution

• solvent is added to the volume of solution

• solute is removed from the volume of solution

• solvent is removed from the volume of solution

What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO₃ to a volume of 250.0 mL?

• 15.9 M

• 0.636 M

• 0.642 M

• 1.59 M

The term molar, which describes a solution's concentration, is written as?

• M

• mol

• g

• g/L

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.

Tags

NGSS.HS-PS1-5

If I have 340.0 mL of a 0.500 M NaBr solution, what will the concentration be if I add 560.0 mL more water to it? (Remember to use the total new volume)

• .189 M

• 3.78 M

• .389 M

• 1.76 M

What volume of 1.50 M KBr can be made from 15.6 mL of concentrated KBr with a molarity of 9.65 M?

• 0.00242 mL

• 2.42 mL

• 0.100 L

• 100. mL

What is a concentrated solution?

• a solution that has a large amount of solute in a large volume of solvent

• a solution that has an equal amount of solute in the same volume of solvent

• a solution that has a small amount of solute in a large volume of solvent

• a solution that has a large amount of solute in a small volume of solvent

Tags

NGSS.HS-PS1-5

125.0 mL of 2.00 M calcium hydroxide solution is diluted to a concentration of 1.50 M. How many mL of water was added to the original volume?

• 167 mL

• 42 mL

• 93.8 mL

• 0.024 mL