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A solution of 0.50 g of (-)@epinephrine (see Figure 5-16) dissolved in 10.0 mL of dilute
Chapter 5, Problem PROBLEM 5-9(choose chapter or problem)
A solution of 0.50 g of (-)@epinephrine (see Figure 5-16) dissolved in 10.0 mL of dilute aqueous HCl was placed in a 20-cm polarimeter tube. Using the sodium D line, the rotation was found to be -5.1 at 25 C. Determine the specific rotation of epinephrine.
Questions & Answers
QUESTION:
A solution of 0.50 g of (-)@epinephrine (see Figure 5-16) dissolved in 10.0 mL of dilute aqueous HCl was placed in a 20-cm polarimeter tube. Using the sodium D line, the rotation was found to be -5.1 at 25 C. Determine the specific rotation of epinephrine.
ANSWER:Step 1 of 3
Specific rotation can be calculated using the expression given below:
,
where is the observed rotation in polarimeter.
is the concentration of the given compound in
is the path length in .