by ewisoky
Dive into the fascinating world of mole-number relationships, where chemistry’s quantitative backbone is revealed through intriguing questions. Whether you’re a student brushing up for exams or a science enthusiast, this quiz will sharpen your understanding of how moles connect to atoms, molecules, and more. Let’s see how well you can navigate through these essential chemical concepts!
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Mole-Number Relationships Quiz Questions Overview
1. What is Avogadro’s number?
6.022 x 10^23
1.602 x 10^-19
3.00 x 10^8
9.81 m/s^2
2. How many moles are in 12 grams of carbon-12?
1 mole
0.5 moles
2 moles
6.022 x 10^23 moles
3. Which of the following represents the number of molecules in 2 moles of water (H2O)?
1.204 x 10^24 molecules
6.022 x 10^23 molecules
3.011 x 10^23 molecules
2.408 x 10^24 molecules
4. What is the molar mass of sodium chloride (NaCl)?
58.44 g/mol
22.99 g/mol
35.45 g/mol
60.00 g/mol
5. How many atoms are in 3 moles of helium (He)?
1.806 x 10^24 atoms
6.022 x 10^23 atoms
3.011 x 10^23 atoms
9.033 x 10^24 atoms
6. If you have 1 mole of glucose (C6H12O6), how many carbon atoms do you have?
6.022 x 10^23 atoms
3.613 x 10^24 atoms
1.204 x 10^24 atoms
6 atoms
7. What is the mass of 0.5 moles of water (H2O)?
9 grams
18 grams
36 grams
1 gram
8. How many moles are in 22 grams of carbon dioxide (CO2)?
0.5 moles
1 mole
2 moles
22 moles
9. Which of the following is the correct formula for calculating the number of moles?
moles = mass / molar mass
moles = mass x molar mass
moles = molar mass / mass
moles = mass + molar mass
10. How many moles are in 16 grams of oxygen gas (O2)?
0.5 moles
1 mole
2 moles
4 moles
11. What is the volume of 1 mole of an ideal gas at standard temperature and pressure (STP)?
22.4 liters
1 liter
10 liters
44.8 liters
12. How many moles are in 98 grams of sulfuric acid (H2SO4)?
1 mole
0.5 moles
2 moles
98 moles
13. What is the mass of 2 moles of sodium (Na)?
45.98 grams
22.99 grams
11.50 grams
2 grams
14. How many moles are in 180 grams of glucose (C6H12O6)?
1 mole
0.5 moles
2 moles
180 moles
15. How many moles are in 50 grams of calcium carbonate (CaCO3)?
0.5 moles
1 mole
2 moles
50 moles
16. What is the molar mass of methane (CH4)?
16 g/mol
12 g/mol
4 g/mol
18 g/mol
17. How many moles are in 27 grams of aluminum (Al)?
1 mole
0.5 moles
2 moles
27 moles
18. How many moles are in 2 grams of hydrogen gas (H2)?
1 mole
0.5 moles
2 moles
4 moles
19. How many atoms are in 0.5 moles of iron (Fe)?
3.011 x 10^23 atoms
6.022 x 10^23 atoms
1.204 x 10^24 atoms
9.033 x 10^23 atoms
We recommend that you do not leave the page that you are taking this quiz in. Stay honest 🙂
