If we know the amount of light that is absorbed in a solution, we can calculate the concentration of the substance dissolved in water using a spectrophotometer. For a certain substance the concentration (in moles/liter) is given by the formula , where is the intensity of the incident light and is the intensity of light that emerges. What is the concentration of the substance if the intensity is 45% of ?
A) 952 mol/L
B) -3,667 mol/L
C) 2,928 mol/L
D) 2,192 mol/L
E) 1,272 mol/L

Question

If we know the amount of light that is absorbed in a solution, we can calculate the concentration of the substance dissolved in water using a spectrophotometer. For a certain substance the concentration (in moles/liter) is given by the formula  , where  is the intensity of the incident light and  is the intensity of light that emerges. What is the concentration of the substance if the intensity  is 45% of  ?
A) 952 mol/L 
B) -3,667 mol/L 
C) 2,928 mol/L 
D) 2,192 mol/L 
E) 1,272 mol/L

Quizplus · Accepted Answer

The Answer of If we know the amount of light that is absorbed in a solution, we can calculate the concentration of the substance dissolved in water using a spectrophotometer. For a certain substance the concentration (in moles/liter) is given by the formula  , where  is the intensity of the incident light and  is the intensity of light that emerges. What is the concentration of the substance if the intensity  is 45% of  ?
A) 952 mol/L 
B) -3,667 mol/L 
C) 2,928 mol/L 
D) 2,192 mol/L 
E) 1,272 mol/L

If We Know the Amount of Light That Is Absorbed