Stock Solution

The definition of a stock solution is ...

• a highly concentrated solution that is meant to be diluted to some lower concentration.

• moles of solute divided by liters of solvent

• a solution used to make soup and is usually either chicken or beef flavor

• a solution with less dissolved solute than a dilute solution.

How many mL of stock solution of 2M NaCl do you need to prepare 100 mL of 0.150M NaCl?

• 7.5 mL

• 15 mL

• 1333 mL

• 200 mL

What would the molarity of a solution be if you took 10 mL of a 13M stock solution and made a 300 mL solution?

• 390M

• 230M

• 0.43M

• 0.26M

How many mL of 10.8M HCl are required to make 100.0 mL of 3.00M acid?

• 27.8 mL

• 27.78 mL

• 2.8 mL

• 278 mL

If the stock solution had a concentration of 1mg/mL, what is the FINAL dilution for tube A in mg/mL?

Mathematical Equivalence

ON

If the stock solution had a concentration of 1mg/mL, what is the FINAL dilution for tube B in mg/mL?

Mathematical Equivalence

ON

If the stock solution had a concentration of 1mg/mL, what is the FINAL dilution for tube C in mg/mL?

Mathematical Equivalence

ON

If the stock solution had a concentration of 2mg/mL, what is the FINAL dilution for tube C in mg/mL?

Mathematical Equivalence

ON

If the stock solution had a concentration of 1mg/mL, what is the FINAL dilution for tube D in mg/mL?

Mathematical Equivalence

ON

What is a stock solution?

• A highly concentrated solution that is meant to be diluted to some lower concentration.

• A solution with less dissolved solute than a dilute solution.

• A solution used to make soup and is usually either chicken or beef flavor.

• Moles of solute divided by liters of solvent.