specific rotation of a chiral compound is a physical property of that compound whereas observed rotation...

specific rotation of a chiral compound is a physical property of that compound whereas observed rotation is not. Explain

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queen_honey_blossom answered 5 months ago

A 0.100 M solution of an enantiomercially pure chiral compound D has an observed rotation of...

A 0.100 M solution of an enantiomercially pure chiral compound D has an observed rotation of +.26 degree in a 1-dm sample container. The molar mass of the compount is 143.0 g/mol. a. What is the specific rotation of D? (deg mL/ g.dm) b. What is the observed rotation if this solution is mixed with an equal volume of a solution that is .100 M in L, the enantiomer of D? (deg) c. What is the observed rotation if the...

A 0.170 M solution of an enantiomerically pure chiral compound D has an observed rotation of...

A 0.170 M solution of an enantiomerically pure chiral compound D has an observed rotation of 0.22° in a 1-dm sample container. The molar mass of the compound is 112.0 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 0.170 M in L, the enantiomer of D? (c) What is the observed rotation if the solution of D is diluted...

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 0.24° in a 1-dm sample container. The molar mass of the compound is 140.0 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 that is 0.15 M in L, L is the enantiomer of D? c) what is the observed rotation if the solution of D is diluted with...

1.The specific rotation, [α]D, for (-)-malic acid is -27. What is the observed rotation for a...

1.The specific rotation, [α]D, for (-)-malic acid is -27. What is the observed rotation for a solution of 0.50 g of (-)-malic acid in 10 mL of water in a sample tube having a pathlength of 10 cm? B) The observed rotation of a solution of 1.3 g of a compound in 10 mL of water is +11 degrees. If the pathlength is 10 cm, what is the specific rotation of the compound? 2. The specific rotation, [α]D, for (-)-2-butanol...

The specific rotation, [α]D, for (-)-2-butanol is +14. What is the observed rotation for a solution...

The specific rotation, [α]D, for (-)-2-butanol is +14. What is the observed rotation for a solution of 1.0 g of (-)-2-butanol in 10 mL of water in a sample tube having a pathlength of 10 cm? ??????degrees . The observed rotation of a solution of 1.5 g of a compound in 10 mL of water is +3.4 degrees. If the pathlength is 10 cm, what is the specific rotation of the compound? .

The specific rotation, [α]D, for (-)-malic acidis -27. What is the observed rotation for a solution...

The specific rotation, [α]D, for (-)-malic acidis -27. What is the observed rotation for a solution of 0.75 g of (-)-malic acid in 10 mL of water in a sample tube having a pathlength of 10 cm? The observed rotation of a solution of 1.4 g of a compound in 10 mL of water is -10degrees. If the pathlength is 10 cm, what is the specific rotation of the compound? The specific rotation, [α]D, for (-)-malic acidis -27. What is...

The specific rotation of Compound X is -30.5 degrees. A mixture of Compound X and its...

The specific rotation of Compound X is -30.5 degrees. A mixture of Compound X and its enantiomer are placed in the polarimeter and the observed rotation is +5.1 degrees. Which enantiomer is in excess? (+ or -) Calculate the enantiomeric excess. Show your work. Calculate the percentage of each enantiomer in the mixture.

(-)-Mandelic acid has a specific rotation of -158°. What would be the specific rotation of a...

(-)-Mandelic acid has a specific rotation of -158°. What would be the specific rotation of a solution which contains 40% (-)-mandelic acid and 60% (+)-mandelic acid? +95° -32° -63° +63° +32°

Compound X, C8H17Cl, is a chiral product of the radical chlorination of 4-methylheptane. X reacts in...

Compound X, C8H17Cl, is a chiral product of the radical chlorination of 4-methylheptane. X reacts in SN2 fashion with NaI in acetone to form Z, C8H17I. When the reactant is the R-enantiomer of X, only the R-enantiomer of Z is formed. Draw a structural formula for X; do not show stereochemistry. I don't even know how to go about this, I have been trying to do these types of problems for a while now and can't seem to get one...

The specific rotation of optically pure (2S,3S)-tartaric acid is -12°. The optical rotation of an impure...

The specific rotation of optically pure (2S,3S)-tartaric acid is -12°. The optical rotation of an impure sample containing a mixture of enantiomers of this compound was measured to be -9°. In the boxes below, write the percentages of the specified stereoisomers present in the sample. Show your work below. Percentage of (2S,3S)-tartaric acid? Percentage of (2R,3R)-tartaric acid? What is the specific rotation of pure (2S,3R)-tartaric acid? How do you know?

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