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A solution of 2.0 g of (+)-glyceraldehyde, HOCH2CHOHCHO, in 10.0 mL of water was placed
Chapter 5, Problem PROBLEM 5-8(choose chapter or problem)
A solution of 2.0 g of (+)-glyceraldehyde, \(HOCH_2CHOHCHO\), in 10.0 mL of water was placed in a 100-mm cell. Using the sodium D line, a rotation of \(+1.74^{\circ}\) was found at \(25 ^{\circ}C\). Determine the specific rotation of (+)-glyceraldehyde.
Questions & Answers
QUESTION:
A solution of 2.0 g of (+)-glyceraldehyde, \(HOCH_2CHOHCHO\), in 10.0 mL of water was placed in a 100-mm cell. Using the sodium D line, a rotation of \(+1.74^{\circ}\) was found at \(25 ^{\circ}C\). Determine the specific rotation of (+)-glyceraldehyde.
ANSWER:Step 1 of 2
Specific rotation of can be calculated using the formula given below:
,
where denotes the rotation observed in the polarimeter, denotes the concentration in and denotes the length in decimeter.