Answered: Percent yields are generally calculated…

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter3: Molecules, Moles, And Chemical Equations

Section: Chapter Questions

Problem 10CO: Calculate the molarity of solutions prepared by dilution or calculate the quantities needed to carry...

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Question

Percent yields are generally calculated from mass quantities.Would the result be the same if mole quantities were used in-stead? Why?

Expert Solution

Step 1

Interpretation-

To explain with reason for the result of calculating percent yield using mole quantities instead of mass quantities.

Step 2

Answer-

Yes - The results of percentage yield will be same when calculated using mass quantities or mole quantities.

Explanation-

Percentage yield is the ratio of actual yield divided by theoretical yield multiplied by 100.
The two quantities ; actual and theoretical yield must be in same unit.
It can be grams or moles.
This is because it is a comparison of actual yield with theoretical yield.
Moles is calculated by dividing mass with molar mass.
Hence, Molar of substance is same. It will be same in numerator and denominator.

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