6. By the additions of water, 30.0 mL of 6.0 M H2SO4 is diluted to 150.0 mL. What is the concentration of H2SO4 after dilution?

a) 1.2 M b) 1.5 M c) 3.0 M d) 4.8 M e) 6.0 M

7. By the addition of water, 40.0 mL of 8.0 M H2SO4 is diluted to 160.0 mL. What is the molarity after dilution?

a) 0.50 M b) 1.0 M c) 1.6 M d) 2.0 M e) 4.0 M