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%