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- 1. Multiple Choice
How many moles are in 22 grams of argon?
0.55 mole
0.22 moles
0.44 mole
0.67 moles
- 2. Multiple Choice
How many grams are in 11.9 moles of chromium?
22.4 grams
619 grams
500grams
200 grams
- 3. Multiple Choice
(0901) Avogadro’s number is:
6.02 x 1022
6
6.02 x 1023
3.01 x 1023
- 4. Multiple Choice
(0901) Determine the number of moles in 5.2 x 1022 atoms of gold.
0.086 mole
0.52 mole
8.63 x 1044 moles
3.1 x 1046 moles
- 5. Multiple Choice
(0902) The mass of one mole of substance is called...
molecular mass
mole constant
molar mass
atomic weight
- 6. Multiple Choice
How many grams are in
1.2 x 1024 atoms of C?
23.94 grams C
0.1659 grams C
6.02 grams C
2.394 X 1047 grams C
- 7. Multiple Choice
How many grams are in 3.01 x 1022 atoms of magnesium?
2.747 X 1046 grams
1.215 grams
2.747 grams
1.22x1046 grams
- 8. Multiple Choice
How many atoms are in 1 mole of any substance?
1
6
6.02 x 1023
1023
- 9. Multiple Choice
How many grams are in 2 moles of Cu?
1 gram
190.64 gram
63.546 grams
127.09 grams
- 10. Multiple Choice
What is the mass in grams of 2.3456 moles of W?
431.22 grams
6.02 grams
207.2 grams
486.01 grams
- 11. Multiple Choice
How many moles are in 1459 grams of Na?
63.46 moles
60.36 moles
10 moles
1 mole
- 12. Multiple Choice
What is the mass in grams of 1 mole of Ca?
20 grams
6.02 x 1023 grams
40.08 grams
100 grams
- 13. Multiple Choice
How many atoms are in 10 moles of zinc?
6.02 x 101atoms
1023 atoms
1 atom
6.02 x 1024 atoms
- 14. Multiple Choice
How many grams of carbon are in 12.5 moles?
12.011 grams
10 grams
6.02 grams
150.14 grams
- 15. Multiple Choice
How many moles of Os are in 6.02 x 1023 atoms?
76 moles
1 mole
6.02 x 1023 moles
100 moles
- 16. Multiple ChoiceThe number 6.02 x 1023, which is the number of particles found in a mole.molar massmoleAvogadro's numberhydrate
- 17. Multiple ChoiceHow many moles of copper are 4.57 x 1013 atoms of copper?7.59 x 10-11 moles2.75 x 1037 moles7.59 x 1011 moles2.75 x 1033 moles
- 18. Multiple ChoiceAvogadro's number of representative particles is equal to one_____.kilogramgramkelvinmole
- Answer choicesTagsAnswer choicesTags