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- 1. Multiple ChoiceWhich conversion factor should be used for the following question " How many molecules are there in 4.00 moles of glucose, C6H12O6?1 mole = 78.12 g1 mole = 22.4 L1 mol = 6.02x 1023 particlesmore than one
- 2. Multiple ChoiceWhich conversion factor should be used to solve the following, "How many moles of argon atoms are present in 11.2 L of argon gas at STP?"1 mol = 22.4 L1 mol = 39.95 g1 mol = 6.02x1023 atomsMore than 1
- 3. Multiple ChoiceWhich conversion factor should be used to solve the following, "How many moles in 28 grams of CO2?"1 mol = 22.4 L1 mol = 44.01 g1 mol = 6.02x1023 atomsmore than one
- 4. Multiple ChoiceWhich conversion factor should be used to solve the following, "Find the mass in grams of 2.00 x 1023 molecules of F2."1 mol = 22.4 L1 mol = 38.00 g1 mol = 6.02x1023 atomsmore than one
- 5. Multiple Choice
What is the first operation used with conversion factors?
addition
subtraction
multiplication
division
- 6. Multiple ChoiceWhich expression below show the correct method of determining the percent composition of Sodium in Na2CO3?%Na = (22.99g/106g) x 100%Na = (22.99g/106) / 100%Na = (45.98g/106g) x 100%Na = (106/45.98g) x 100
- 7. Multiple ChoiceWhat is the molar mass of Hydrogen Peroxide (H2O2)?48 g/mole34.02 g/mole36.5 g/mole35.5 g/mole
- 8. Multiple ChoiceWhat are the units for molar mass?gramsamugrams/moleliters
- 9. Multiple ChoiceThe number 6.02 x 1023, which is the number of particles found in a mole.molar massmoleAvogadro's numberhydrate
- 10. Multiple ChoiceHow many moles are in 16.94g of water?16.94 mol H2O0.9401 mol H2O305.3 mol H2O1.063 mol H2O
- 11. Multiple ChoiceHow many molecules are in 9.44 moles of AlCl3?5.68 molec AlCl35.68x1024 molec AlCl30.705 molec AlCl31.25x1023 molec AlCl3
- 12. Multiple Choice
How many grams are in 3.3 mol of Potassium Sulfide?360 g454 g238 g132 g - 13. Multiple ChoiceHow many molecules of sugar (C6H12O6) are in a mole?24 molecules180 molecules180 g6.02 x 1023 molecules
- 14. Multiple ChoiceWhich of the following would have the highest number of moles?4g CO215g H2O22g NaCl100g AgCl
- 15. Multiple Choice
How many molecules are in 2.5 mol of NaCl?
1.51x1023
146
4.15
1.51x1024
- 16. Multiple Choice
Challenge! Which of the following conversion factor setups will correctly convert 27.76g of Li to atoms of Li?
A
B
C
D
- 17. Multiple ChoiceA container with a volume of 893 L contains how many moles of air at STP?20003.2 L39.9 L22.4 Lnone of the choices
- 18. Multiple Choice
Which of the following conversion factor setups will correctly convert 2.50 moles of sodium to grams of sodium?
A
B
C
D
- 19. Multiple ChoiceWhat is the mass in grams of 5.90 mol C8H18?.0512 g19.4 g673 g389 g
- 20. Multiple ChoiceHow many water molecules are in 5.2 moles of water?6.02 x 10235.23.1304 x 10248.638 x 10-24
- 21. Multiple ChoiceWhich represents the greatest mass of sulfur?1 gram of sulfur1 molecule of sulfur0.5 mole of sulfur6.02 x 1023 atoms of sulfur
- 22. Multiple Choice
Which of the following conversion factor setups will correctly convert 4.00x1023atoms of cobalt to moles of cobalt? How many moles of colbalt are there?
setup B : 0.6644mol Co
setup A: 2.41x1047mol Co
setup A : 0.664mol Co
setup B: 2.41x1047mol Co
- 23. Multiple ChoiceWhat is the definition of molar mass?
number of grams per one mole of a substance
whole number ratio that is a multiple of a chemical formula
simplest, whole number ratio of a chemical formula
6.02 x 10^23 particles per one mole of a substance
- Answer choicesTagsAnswer choicesTags