The observed rotation is dependent on the number of molecules in the path of the light. If a sample 10 cm deep has a rotation of +270°, what would be the observed rotation for a 6 cm deep sample of the same material?
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The observed rotation is dependent on the number of molecules in
the path of the light....
The specific rotation, (a)p, for (+)-alanine is +8.5. What is the observed rotation for a solution...
The specific rotation, (a)p, for (+)-alanine is +8.5. What is the observed rotation for a solution of 1.7 g of (+)-alanine in 10 mL of water in a sample tube having a pathlength of 10 cm? degrees The observed rotation of a solution of 1.3 g of a compound in 10 mL of water is +8.2 degrees. If the pathlength is 10 cm, what is the specific rotation of the compound? The specific rotation, (a)p, for(-)-pseudoephedrine is - 52. What...
A. In this equation for specific rotation of a solution: a is the observed rotation in degrees, i...
a. In this equation for specific rotation of a solution: a is the observed rotation in degrees, is the path length in decimetres, c is the concentration in g mL-1, Tis the temperature at which the measurement was taken in °C, and A is the wavelength in nanometres. You used variable path lengths for the polarised light (589 nm) to pass through, and you obtained the fol solutions (A, B, C, D and E) at variable concentrations. observed rotation data...
The specific rotation, [a]D, for (-)-pseudoephedrine is-52. What is the observed rotation for a solution of...
The specific rotation, [a]D, for (-)-pseudoephedrine is-52. What is the observed rotation for a solution of 0.50 g of (-)- pseudoephedrine in 10 mL of water in a sample tube having a pathlength of 10 cm? degrees The observed rotation of a solution of 1.7 g of a compound in 10 mL of water is +13 degrees. If the pathlength is 10 cm, what is the specific rotation of the compound? Submit Answer Retry Entire Group No more group attempts...
11 degrees at 10cm rotation of sucrose is 1 C=.171 Tength of the light path, and...
11 degrees at 10cm
rotation of sucrose is 1
C=.171
Tength of the light path, and the wavelength of the A standard formula is used to convert observed into "specific rotations" Tal a physical property tl be found in tables of physical properties of chemical compounds. al- 0 - measured rotation in angular degrees c = concentration in grams per milliliter of solution = cell length in decimeters D = wavelength of light, usually the D* line of a sodium...
A 0.110 M solution of an enantiomerically pure chiral compound D has an observed rotation of...
A 0.110 M solution of an enantiomerically pure chiral compound D has an observed rotation of +0.24° in a 1-dm sample container. The molar mass of the compound is 144.0 g/mol. (a) What is the specific rotation of D? (b) What is the observed rotation if this solution is mixed with an equal volume of a solution that is 0.110 M in L, the enantiomer of D? Number deg mL Number g dm deg (c) What is the observed rotation...
A) If the observed rotation for the product mixture obtained from running the reaction in toluene...
A) If the observed rotation for the product mixture obtained from running the reaction in toluene is 18.7, what is the specific rotation of the S enantiomer? B) Based on your answer in part (a), predict what the observed rotation would be for a solution containing 0.250 g of this S-enantiomer dissolved in 10.0 mL of ethanol and placed in a sample cell with a length of 10.0 cm.
8. Sucrose has a specific rotation of +65.5 at 25°C. A solution of 4.62g of an unknown pure substance in 10 mL ethanol shows an observed rotation of +20.4 in a cell with a 10 em path Tength. Is...
8. Sucrose has a specific rotation of +65.5 at 25°C. A solution of 4.62g of an unknown pure substance in 10 mL ethanol shows an observed rotation of +20.4 in a cell with a 10 em path Tength. Is it possible that the substance is sucrose? Show all your calculations for complete credit. (4 pts)-A- 2nd.. 20:t_r4个1558
8. Sucrose has a specific rotation of +65.5 at 25°C. A solution of 4.62g of an unknown pure substance in 10 mL ethanol...
A 0.120 M solution of an enantiomerically pure chiral compound D has an observed rotation of...
A 0.120 M solution of an enantiomerically pure chiral compound D has an observed rotation of + 0.26 degree in a 1-dm sample container. The molar mass of the compound is 153.0 g/mol. What is the specific rotation of D? What is the observed rotation if this solut is mixed with an equal volume of a solution t is 0.120 M in L, the enantiomer of D? What is the observed rotation if the solution of D is diluted with...
A 0.110 M solution of an enantiomerically pure chiral compound D has an observed rotation of...
A 0.110 M solution of an enantiomerically pure chiral compound D has an observed rotation of 0.18° in a 1-dm sample container. The molar mass of the compound is 174.0 g/mol. (a) What is the specific rotation of D? (b) What is the observed rotation if this solution is mixed with an equal volume of a solution that is 0.110 M in L, the enantiomer of D? (c) What is the observed rotation if the solution of D is diluted...
A 0.140 M solution of an enantiomerically pure chiral compound D has an observed rotation of...
A 0.140 M solution of an enantiomerically pure chiral compound D has an observed rotation of 0.18° in a 1-dm sample container. The molar mass of the compound is 150.0 g/mol. (a) What is the specific rotation of D? (b) What is the observed rotation if this solution is mixed with an equal volume of a solution that is 0.140 M in L, the enantiomer of D? (c) What is the observed rotation if the solution of D is diluted...
The specific rotation, (a)p, for (+)-alanine is +8.5. What is the observed rotation for a solution of 1.7 g of (+)-alanine in 10 mL of water in a sample tube having a pathlength of 10 cm? degrees The observed rotation of a solution of 1.3 g of a compound in 10 mL of water is +8.2 degrees. If the pathlength is 10 cm, what is the specific rotation of the compound? The specific rotation, (a)p, for(-)-pseudoephedrine is - 52. What...
a. In this equation for specific rotation of a solution: a is the observed rotation in degrees, is the path length in decimetres, c is the concentration in g mL-1, Tis the temperature at which the measurement was taken in °C, and A is the wavelength in nanometres. You used variable path lengths for the polarised light (589 nm) to pass through, and you obtained the fol solutions (A, B, C, D and E) at variable concentrations. observed rotation data...
The specific rotation, [a]D, for (-)-pseudoephedrine is-52. What is the observed rotation for a solution of 0.50 g of (-)- pseudoephedrine in 10 mL of water in a sample tube having a pathlength of 10 cm? degrees The observed rotation of a solution of 1.7 g of a compound in 10 mL of water is +13 degrees. If the pathlength is 10 cm, what is the specific rotation of the compound? Submit Answer Retry Entire Group No more group attempts...
11 degrees at 10cm
rotation of sucrose is 1
C=.171
Tength of the light path, and the wavelength of the A standard formula is used to convert observed into "specific rotations" Tal a physical property tl be found in tables of physical properties of chemical compounds. al- 0 - measured rotation in angular degrees c = concentration in grams per milliliter of solution = cell length in decimeters D = wavelength of light, usually the D* line of a sodium...
A 0.110 M solution of an enantiomerically pure chiral compound D has an observed rotation of +0.24° in a 1-dm sample container. The molar mass of the compound is 144.0 g/mol. (a) What is the specific rotation of D? (b) What is the observed rotation if this solution is mixed with an equal volume of a solution that is 0.110 M in L, the enantiomer of D? Number deg mL Number g dm deg (c) What is the observed rotation...
8. Sucrose has a specific rotation of +65.5 at 25°C. A solution of 4.62g of an unknown pure substance in 10 mL ethanol shows an observed rotation of +20.4 in a cell with a 10 em path Tength. Is it possible that the substance is sucrose? Show all your calculations for complete credit. (4 pts)-A- 2nd.. 20:t_r4个1558
8. Sucrose has a specific rotation of +65.5 at 25°C. A solution of 4.62g of an unknown pure substance in 10 mL ethanol...
A 0.120 M solution of an enantiomerically pure chiral compound D has an observed rotation of + 0.26 degree in a 1-dm sample container. The molar mass of the compound is 153.0 g/mol. What is the specific rotation of D? What is the observed rotation if this solut is mixed with an equal volume of a solution t is 0.120 M in L, the enantiomer of D? What is the observed rotation if the solution of D is diluted with...
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