6. When you are in the laboratory, you mix together 20-mL of HCl with 80-mL of H 2 O. In this situation, what is HCl classified as?

6. When you are in the laboratory, you mix together 20-mL of HCl with 80-mL of H2O. In this situation, what is HCl classified as?

           A) The solute

           B) The solvent

           C) The solution

           D) A colloid

7. How many mL of 5% (w/v) HCl solution will contain 25 grams of HCl?

           A) 5 x 101 mL

           B) 5 x 102 mL

           C) 5 x 103 mL

           D) 5 x 104 mL

8. The maximum allowable concentration of chloroform in drinking water is 100 ppm. How many grams of chloroform would be allowed in a total solution of 500 grams?

           A) 5 x 10-1 grams

           B) 5 x 10-2 grams

           C) 5 x 10-3 grams

           D) 5 x 10-4 grams

9.  What is the molarity of a NaOH solution that is prepared by mixing 50.0 mL of 0.350 M NaOH with 125 mL of H2O?

           A) 0.035 M

B) 0.500 M

C) 0.010 M

D) 0.100 M

10. What is the molarity of a solution with 5.00 grams of KClO3 in 750 mL of H20? 

           A) 6.67 M

           B) 0.054 M

           C) 817 M

           D) 0.817 M