Percent Yield

Presentation

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Chemistry

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9th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-PS1-7, MS-PS1-2, MS-PS1-5

Standards-aligned

Benjamin Flo

Used 120+ times

FREE Resource

6 Slides • 8 Questions

Percent Yield

Multiple Choice

__Na + O₂ -----> __Na₂O
Type of reaction?
Balance it too. :)

Synthesis, 2Na / 4Na₂O

Decomposition, 4Na / 2Na₂O

Synthesis, 4Na / 2Na₂O

Decomposition, 2Na / 4Na₂O

Multiple Choice

Pb(NO₃)₂ + KI --> PbI₂ + KNO₃
What type of reaction is this?

Synthesis

Decomposition

Single Replacement

Double Replacement

Multiple Choice

How many HCl molecules do you need to balance this equation?
Mg + __HCl ---> MgCl₂ + H₂

Multiple Choice

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

Percent

actual

stoichiometry

theoretical

Multiple Choice

Theoretical yield = 73g
Actual yield = 62g
Calculate the percent yield.

1.16%

116%

85%

76%

Multiple Choice

CH₄ + 2O₂ → CO₂ + 2H₂O
24 grams of CH₄ was added to the above reaction. Calculate the theoretical yield of CO₂.

66 grams

132 grams

33 grams

8.72

Multiple Choice

The reaction of 25.0 g benzene, C₆H₆, with excess HNO₃ resulted in 21.4 g C₆H₅NO₂. What is the percentage yield?

C₆H₆ + HNO₃ → C₆H₅NO₂ + H₂O

100%

27.39%

54.29%

85.62%

Multiple Choice

When reacting Na with Cl₂, we calculated that the theoretical yield should be 13 grams. Our actual yield was 12.5 grams. What is the percent yield?

90.4%

104%

96.15%

1.04%

Percent Yield

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