University:
Glendale Community College
Course:
CHM130 | Fundamental Chemistry
Academic year:

2020
Views:

417

Pages:

3
Author:

Deanna Vance

CHM 130 Chapter 3 Worksheet on conversions and Density. 1. Calculate the density of a piece of solid gold if the gold weighs 82.5 g and has a volume of 4.30 mL. 2. Calculate the density of lotion if the contents of a bottle of 650 mL weighs 1170 grams. 3. The density of ethanol is 0.789 g/mL. How much will 1250 mL of ethanol mass in grams? 4. The density of mercury is 13.6 g/mL. What is the volume of 72 grams of mercury? 5. The density of silver is 10.5 g/cm3. If a pure silver coin has a volume of 45 cm3, what is its mass? 6. The density of chloroform is 1.483 g/mL. What is the mass of 1.250 L of chloroform? 7. The density of aluminum is 2.70 g/cm3. What is the volume of 8850 mg of aluminum? 8. The density of copper is 8.96 g/cm3. What is the volume of a copper ring that masses 103.5428 grams? 9. It is 48.5 km from Glendale to Surprise. What is this in dm? 10. John’s hamster weighs 425.87 grams. What is this in mg? 11. Sally drank 435 mL of soda. What is this in microliters? 12. Frankie threw the football 52 yards to Thomas. How many km is this? 13. Ariana’s baby weighs 19.45 pounds. What is this in cg? 14. Chelsea made 14 gallons of punch. How many L is this? 15. Skylar ran 100.0 yards in 20.5 seconds. How many inches is this? 16. Graceland elementary school bought 9452 cups of juice for their school lunches. How many quarts is this? Answers 82.5 𝑔 1. d = (4.30 𝑚𝐿) = 19.2 g/mL 1170 𝑔 2. d = (650 𝑚𝐿) = 1.8 g/mL 3. 1250 mL ( 0.789 𝑔 1 𝑚𝐿 ) = 986 g 1 𝑚𝐿 4. 72 g (13.6 𝑔) = 5.3 mL 10.5 𝑔 5. 45 cm3(1 𝑐𝑚3 ) = 470 g 1000 𝑚𝐿 6. 1.250 L ( 1𝐿 1.483 𝑔 )( 1 𝑚𝐿 ) = 1854 g 1 𝑐𝑚3 1𝑔 7. 8850 mg(1000 𝑚𝑔) (2.70 𝑔) = 3.28 cm3 1 𝑐𝑚3 8. 103.5428 g (8.96 𝑔) = 11.6 cm3 1000 𝑚 9. 48.5 km ( 1 𝑘𝑚 10 𝑑𝑚 )( 1000 𝑚𝑔 10. 425.87 g ( 1𝑔 1𝑚 ) = 425,870 mg 1𝐿 1,000,000 𝑢𝐿 11. 435 mL (1000 𝑚𝐿) ( 3 𝑓𝑡 1𝐿 12 𝑖𝑛 2.54 𝑐𝑚 12. 52 yds (1 𝑦𝑑) ( 1 𝑓𝑡 ) ( 454 𝑔 13. 19.45 lbs ( ) = 485,000 dm 1 𝑙𝑏 4 𝑞𝑡𝑠 1 𝑖𝑛 100 𝑐𝑔 )( 1𝑔 946 𝑚𝐿 14. 14 gal ( 1 𝑔𝑎𝑙) ( 1 𝑞𝑡 3 𝑓𝑡 ) = 435,000 L 1𝑚 ) = 8.83 x 105 cg or 883,000 cg 1𝐿 ) (1000 𝑚𝐿) = 53 L 12 𝑖𝑛 15. 100.0 yds (1 𝑦𝑑) ( 1 𝑓𝑡 ) = 3.600 x 103 in 1 𝑝𝑡 1 𝑞𝑡 1 𝑘𝑚 ) (100 𝑐𝑚) (1000 𝑚) = 0.048 km 16. 9452 c ( 2 𝑐 ) (2 𝑝𝑡) = 2363 qts (must put in sci notation to show 4 sig fig)