Question 1
Determine the volume of hexane that contains 5.33 × 10
22 molecules of hexane. The density of hexane is 0.6548 g mL
-1 and its molar mass is 86.18 g mol
-1.
◦ 11.6 mL
◦ 12.4 mL
◦ 8.59 mL
◦ 13.5 mL
◦ 7.40 mL
Question 2
How many molecules of butane are contained in 25.0 mL of butane? The density of butane is 0.6011 g mL
-1 and the molar mass is 58.12 g mol
-1.
◦ 6.87 × 10
23 molecules butane
◦ 1.56 × 10
23 molecules butane
◦ 7.14 × 10
25 molecules butane
◦ 1.46 × 10
27 molecules butane
◦ 2.59 × 10
23 molecules butane