Molarity Quiz

A student wants to make 1.00 L of a 0.400 M NaOH solution. How many grams of NaOH will they need to add? (Report your answer to three significant digits and do not include the unit in your answer.)

A student wants to make 0.250 M K₂CrO₄ solution. If they add 8.00 grams, how many mL of distilled H₂O will they need to add? (Report your answer to three significant digits and do not include the unit in your answer.)

A student adds 270 mg of glucose (C₆H₁₂O₆) to 47 cL of distilled H₂O. What is the molarity of the solution? (Report your answer to three significant digits and do not include the unit in your answer.)

A student wants to dilute a 0.250 M NaCl stock solution to make 50 mL of a 0.100 M NaCl solution. How many mL of the stock solution should they use? (Report your answer to three significant digits and do not include the unit in your answer.)

Who is your favorite teacher?

• Mr. Worrell

• Mr. Fisher

• Mrs. Rowles–Cranmer

• Mrs. Conway