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QR Challenge: Mole/Molar Mass Conversion Review

Created using the ClassTools QR Treasure Hunt Generator

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Teacher Notes

A. Prior to the lesson:

1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.

2. If their phone camera doesn't automatically detect and decode QR codes, ask students to

3. Print out the QR codes.

4. Cut them out and place them around your class / school.

B. The lesson:

1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.

2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.

3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!

C. TIPS / OTHER IDEAS

4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.

Questions / Answers (teacher reference)

Question

Answer

1. Find molar mass C12.01 g
2. Find molar mass H₂2.012 g
3. Find molar mass NO₂46.01 g
4. Find molar mass C₆H₁₂O₆180.16 g
5. How many moles is 84 grams of Carbon?6.99 mols C
6. What’s the mass of 13 moles of H₂?26.21 g H2
7. How many moles are in 4 grams of NO₂?0.087 mol NO2
8. How many grams are in 6 moles of C₆H₁₂O₆?1080.94 g
9. How many atoms are in 4.5 moles of CO₂?2.71x10^24 atoms
10. How many moles are in 4.6 x 10^23 molecules of N₂?0.76 mols
11. How many molecules are in 9 moles of H₂?5.42x10^24 molecules
12. How many mols of oxygen are in 2.1 mols of H₂O?2.1 mols
13. How many mols of hydrogen are in 2.1 mols of H₂O?4.2 mols
14. How many mols of sodium are in 0.9 mols of Na₂CO₃?1.8 mols
15. How many hydrogen atoms are in 2.4 moles of CH₄?5.78x10^24 atoms

 


Mole/Molar Mass Conversion Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_molar_mass_C

Question 1 (of 15)

 


Mole/Molar Mass Conversion Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_molar_mass_H₂

Question 2 (of 15)

 


Mole/Molar Mass Conversion Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_molar_mass_NO₂

Question 3 (of 15)

 


Mole/Molar Mass Conversion Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_molar_mass_C₆H₁₂O₆

Question 4 (of 15)

 


Mole/Molar Mass Conversion Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_moles_is_84_grams_of_Carbon?

Question 5 (of 15)

 


Mole/Molar Mass Conversion Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What’s_the_mass_of_13_moles_of_H₂?

Question 6 (of 15)

 


Mole/Molar Mass Conversion Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_moles_are_in_4_grams_of_NO₂?

Question 7 (of 15)

 


Mole/Molar Mass Conversion Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_grams_are_in_6_moles_of_C₆H₁₂O₆?

Question 8 (of 15)

 


Mole/Molar Mass Conversion Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_atoms_are_in_4.5_moles_of_CO₂?

Question 9 (of 15)

 


Mole/Molar Mass Conversion Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_moles_are_in_4.6_x_10^23_molecules_of_N₂?

Question 10 (of 15)

 


Mole/Molar Mass Conversion Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_molecules_are_in_9_moles_of_H₂?

Question 11 (of 15)

 


Mole/Molar Mass Conversion Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_mols_of_oxygen_are_in_2.1_mols_of_H₂O?

Question 12 (of 15)

 


Mole/Molar Mass Conversion Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_mols_of_hydrogen_are_in_2.1_mols_of_H₂O?

Question 13 (of 15)

 


Mole/Molar Mass Conversion Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_mols_of_sodium_are_in_0.9_mols_of_Na₂CO₃?

Question 14 (of 15)

 


Mole/Molar Mass Conversion Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_many_hydrogen_atoms_are_in_2.4_moles_of_CH₄?

Question 15 (of 15)