Percent Yield

Flashcard
•
Chemistry
•
11th Grade
•
Hard
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10 questions
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1.
FLASHCARD QUESTION
Front
CH4 + 2O2 → CO2 + 2H2O
24 grams of CH4 was added to the above reaction. Calculate the theoretical yield of CO2.
Back
66 grams
2.
FLASHCARD QUESTION
Front
The ______________ yield is the maximum amount of product possible in a reaction. This determines the amount of product that should be produced in a perfect setting.
Back
theoretical
3.
FLASHCARD QUESTION
Front
Percent yield when theoretical yield is 13 grams and actual yield is 12.5 grams.
Back
96.15%
4.
FLASHCARD QUESTION
Front
2Fe2O3 + 3C → 4Fe + 3CO2 You add 28 grams of carbon. You find the actual yield to be 81.2 grams of CO2. What is the percent yield of CO2? (Hint: calculate theoretical yield of CO2 first)
Back
79.14%
5.
FLASHCARD QUESTION
Front
Theoretical yield = 73g
Actual yield = 62g
Calculate the percent yield.
Back
85%
6.
FLASHCARD QUESTION
Front
P4 + 6Cl2 --> 4PCl3
The reaction of 75.0g P4 with excess chlorine gas produces 110g PCl3 in lab. Find the theoretical yield and calculate percent yield for the reaction.
Options: 78%, 64%, 27%, 33%
Back
33%
7.
FLASHCARD QUESTION
Front
LiOH + KCl → LiCl + KOH. I actually produced 6 grams of lithium chloride and began this reaction with 20.0 grams of lithium hydroxide. What is my percent yield?
Back
16.9%
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