EXERCISES, LESSON 2
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.
1. Which basic type of water is used for general laboratory procedures and has a
2. Which solution is not homogenous throughout?
3. What amount of Na2SO4 is needed to make 2000 mL of a 30.0solution?
4. How many milligrams of NaCl are present in 5.0 mL of a 20.0 mg/dL NaCl
5. How much HCl is needed to prepare 1.0 L of a 0.50 mL/dL HCl solution?
6. How many mL of water must be added to 30.0 mL of toluene in order to prepare a
10.0 mL/dL toluene solution?