Stoichiometry and Percent Yield QUIZ
Authored by Sandy Hamilton
Chemistry
9th - 12th Grade
NGSS covered
Used 46+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reactant and products might adhere to containers causing actual yield to be less than theoretical yield.
true
false
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Some product may be lost during filtering causing your actual yield to be less than your theoretical yield.
true
false
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
When reacting Na with Cl2, the theoretical yield should be 13 grams. The actual yield recovered was 12.5 grams. What is the percent yield?
90.4%
104%
96.2 %
1.04%
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2 NaClO3 (s) --> 2NaCl (s) +3 O2 (g)
12.0 moles of NaClO3 will produce how many grams of O2?
256 g of O2
576 g of O2
288 g O2
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
B2H6 + 3O2 -->2 HBO2 + 2 H2O
What mass of O2 will be needed to burn 36.1 g of B2H6?
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2CO + O2 −-> 2CO2
How many liters of carbon dioxide are produced from 10L of carbon monoxide?
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
How many moles of aluminum would be needed to completely react with 45.0 grams of O2? (You'll need a balanced equation)
1.05 moles
3.75 moles
2.27 grams
1.88 moles
Tags
NGSS.HS-PS1-7
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