
stoichiometry
Authored by Galen Reid
Chemistry
9th - 12th Grade
Used 2+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If a chemist calculates the maximum amount of product that could be obtained in a chemical reaction, he or she is calculating the
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the measured amount of a product obtained from a chemical reaction?
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
2 KClO3 → 2 KCl + 3 O2
How many moles of oxygen are produced when 6.7 moles of KClO3 decompose completely? - Use mole ratio from balanced equation to calculate 6.7( 3O2/2KClO3)
6.7 mol
1.0 mol
10.1 mol
4.5 mol
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
N2 + 3H2 --> 2NH3
What is the total number of moles of NH3 produced when 10 moles of H2 reacts completely with N2? (mole ratio)
6.7
2.0
3.0
15.0
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
N2 + 3H2 --> 2NH3
How many moles of N2 is needed to react with 6 moles of H2?(mole ratio from balanced equation 6 molH2(1 mole N2/3 moleH2)
6.7
2.0
3.0
15.0
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2Na + S -->Na2S
What is the total number of moles of S that reacts when 4.0 moles of Na were completely consumed?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2Na + S -->Na2S
What is the total number of moles of Na2S produced when 8.0 moles of Na were completely consumed?
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