The volume of the unknown solution obtained from the given standard curve is 2.57%
The linear equation produced by the standard curve is :
- y = absorbance ;
- x = concentration in percent (v/v)
Unknown Solution with absorbance value of 0.35 ;
Input the value of y into the equation.
Collect like terms
Divide both sides by 0.136
Hence, percentage by volume of the unknown solution will be 2.57%
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This is true. There are theories that scientist believe that everything become fossils. Some just aren't permanent because of the weak bone structure in most animals.
Threats and Impacts Attended. Transforming the landscape of hillsides prone to erosion into cultivation terraces increases agricultural productivity and food security. Terraces prevent landslides and erosion by reducing the intensity of runoff.
Answer: i believe the answer is B
Explanation: hope its correct