A chemist attempted the reaction below using 35.5 grams of Zn and more than enough HCl. What was...

Question:

A chemist attempted the reaction below using 35.5 grams of {eq}Zn {/eq} and more than enough {eq}HCl {/eq}. What was their percent yield if they only recovered 6.50 grams of {eq}ZnCl_2 {/eq}?

{eq}Zn + HCl \to ZnCl_2 + H_2 {/eq}

Percent Yield:

The percent yield or reaction yield of a chemical reaction is calculated based on the relationship of the quantity of the products of the reaction as compared to the theoretical yield. Understanding the output of a reaction is important in commercially important reactions so that they can be optimized for maximum output and efficiency of the reaction.

Answer and Explanation:

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Balancing the equation:

Zn + 2HCl -> ZnCl2 + H2

There should be a ratio of 1:1 for Zn metal being converted to ZnCl2 if the reaction goes to...

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How to Calculate Percent Yield: Definition, Formula & Example

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Chapter 10 / Lesson 15
330K

What is percent yield? Learn the definition and formula of percent yield. Learn about actual and theoretical yields. See examples of percent yield calculations.


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