1. What is the molarity of a 1.5 L solution containing 3.8 moles NaCl?
A) 1.52 B) 9.5
C) 0.66 D) 2.5
2. What is the molality of 2.5 g NaCl dissolved in 20.0 kg of water?
A) 1.4 B) 1.4 x 10^-6
C) 0.08 D) 0.002
3. What is the percent by volume of a solution of 4.1 g of acetone dissolved in 14.0 mL of solution?
A) 0.164 B) 29
C) 32.2 D) 6.1
4. What is the percent by mass of a solution of 25 g of KBr dissolved in 4.3 L of solution if the solution's total mass is 4.5 kg?
A) 0.55 B) 1.2 x 10^-3
C) 1.2 D) 9.7 x 10^-4
5. What is the concentration, in ppm, of 6.4 g of NaCl dissolved in a 44 L solution? The mass of the solution is 5200g.
A) 4.8 x 10^-4 B) 1230
C) 4.8 x 10^-2 D) 0.057
6. If 6.7 mL of a 2 M solution are diluted to 10.0 mL, what is the new concentration?
A) 0.7 B) 7
C) 1.3 D) 5.7
7. What is the concentration, in ppb, of 0.00040 g solute in 600. g solution?
A) 1.3 x 10^-6 B) 1.3 x 10^3
C) 1.3 x 10^-4 D) 670
8. How many equivalents are contained in a 1M solution of Mg+2?
A) 1 B) 2
C) 58.44 D) 116.88