Question 10 Consider the following equation 2 Mg (s) + O2 (g) → 2 MgO (s) When 40.0 g of O2 completely react with Mg, the actual yield of MgO is 83.6 g. What is the percent yield? Given molar mass of MgO is 40.31 g/mol. Group of answer choices 8.5% 45.0% 20.6% 82.8% 51.5%

Question 10 Consider the following equation 2 Mg (s) + O2 (g) → 2 MgO (s) When 40.0 g of O2 completely react with Mg, the actual yield of MgO is 83.6 g. What is the percent yield? Given molar mass of MgO is 40.31 g/mol. Group of answer choices 8.5% 45.0% 20.6% 82.8% 51.5%

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter4: Stoichiometry

Section: Chapter Questions

Problem 4.37PAE: 4.37 The theoretical yield and the actual yield for various reactions are given below. Determine the...

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Concept explainers

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".

Question

100%

Question 10

Consider the following equation

2 Mg (s) + O₂ (g) → 2 MgO (s)

When 40.0 g of O₂ completely react with Mg, the actual yield of MgO is 83.6 g. What is the percent yield? Given molar mass of MgO is 40.31 g/mol.

Group of answer choices

8.5%

45.0%

20.6%

82.8%

51.5%

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