EXERCISES, LESSON 6
INSTRUCTIONS: Answer the following exercises by writing the answer in the space
provided at the end of the question.
After you have completed all the exercises, turn to "Solutions to Exercises" at the
end of the lesson and check your answers. For each exercise answered incorrectly,
reread the material referenced with the solution.
A 10.0 Eq/L NaOH solution was diluted 1:10, rediluted 1:5 and again to 3:15.
a. Calculate the final dilution factor.
b. Calculate the final concentration of the diluted NaOH.
How much 20 percent NaOH can be prepared from 1.5 mL of 70 percent NaOH?
How many milliliters of 6.0 mol/L HCl is needed to make 6.0 liters of
0.010 mol/L HCl?
How many milliliters of 3.0 Eq/L LiCO3 must be diluted to prepare 5.0 L of a
20 mEq/L LiCO3 solution?