Answered

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A chemical process used to produce ethanol as a fuel additive was expected to produce 5,000 kilograms of ethanol based on the amounts of starting materials used, but only 4,760 kilograms were produced. What was the percent yield for ethanol in this process?
A)1.09
B)4.80
C)95.2
D)105

Sagot :

quasarJose

Answer:

C)95.2

Explanation:

Given parameters:

Expected yield  = 5000kg

Experimental  yield  = 4760kg

Unknown:

Percentage yield  = ?

Solution:

The percentage yield of the substance is determined by find the ratio of the true experimental yield to the expect yield and multiply by 100;

  Percentage yield  = [tex]\frac{4760}{5000}[/tex] x 100 = 95.2%

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