The enantiomeric excess of the mixture,
= (-60/-61) x 100 = 98.36%
So the mixture primarily has (R) carvone
(S) carvone is the minor constituent
If a sample of carvone gives a specific rotation of -60 and the specific rotation of...
need help with 15-17 For Problems 15-17, consider (R)-carvone (below), -61. which has a specific rotation of [a] o CH3 (t 4)S H2C CH3 15. What is the % ee of a sample of carvone that exhibits a specific rotation of -40? (1 pt) 16. What is the specific rotation of a sample of carvone that contains a 50/50 mixture of the R and S enantiomers? (1 pt) 17. If a sample of carvone gives a specific rotation of +48,...
10. What is the specific rotation of a sample of carvone that is an equal mixture of the R and S enantiomers? (R)- carvone has a specific rotation of -61°. a. -61° b. 64° d. +61° c. 0° 11. What is the percentage of the R enantiomer in a sample of carvone that has a specific rotation of 30°, given that the specific rotation of (R)-carvone is -61°? (2 pt ... this is challenging.) a. 26% b. 51% c. 49%...
3.34 The specific rotation of (S)-carvone (at +20°C) is +61. A chemist prepared a mixture of (R)- OF (R)- carvone and its enantiomer, and this mixture had an observed rotation of -55°. (a) What is the specific rotation of (R)-carvone at 20°C? (b) Calculate the % ee of this mixture. (c) What percentage of the mixture is (S)-carvone?
5.54 The specific rotation of (S)-carvone (at +20°C) is +61. A chemist prepared a mixture of (R)- carvone and its enantiomer, and this mixture had an observed rotation of -55°. (a) What is the specific rotation of (R)-carvone at 20°C? (b) Calculate the % ee of this mixture. (c) What percentage of the mixture is (S)-carvone?
what is the % of the S enantiomer in a sample of carvone that has a specific rotatin of -20, given that the specific rotation of R-carvone is -61?
vy.03- to nodollisestdinxs or snovno 10 9 63. What is the percentage of the R enantiomer in a sample of carvone that has a specific rotation of -20, given that the specific rotation of (R)-carvone is -61? A. 20% B. 66.5% C. 33.5% D. 61% Ans: Tot 1902 or bus 00-noi stor stigaganasvi novi lo l l l2 Blods 210 Slot vad v i s enworloob.10-igroviso alagi
9. Specific rotation of enantiopure (R)-malic acid is -6. An unknown sample was found to have a specific rotation of -2 Which isomer is the major component in the unknown mixture? HO OH Malic Acid O OH Circle one: R S What is the enantiomeric excess of the mixture? Show your calculations. 9. Specific rotation of enantiopure (R)-malic acid is -6. An unknown sample was found to have a specific rotation of -2 Which isomer is the major component in...
Write bond line structures, with dashed and wedged lines, of (-)-carvone, (+)-carvone, (-)limonene and (+)-limonene. Assign the absolute configuration (R, S) of the chiral center in each compound.
15, 16 how do i do these? ВІ 15.03 pts.) If a sample contains 83% of the Renantiomer and and 17% of the Senantiomers what is the enantiomeric excess of the mixture. EE - 100% 16.03 pts.] What is the specific rotation of a sample of carvone that is an equal mixture of the Rand S enantiomers (R- carvone has a specific rotation of -61)?
6. 104 pts. What alkene gives the product shown after reaction first with ozone and then with dimethyl methyl sulfide? 2. [03 pts.] What is the maximum number of water molecules that, in theory, the following molecule could hydrogen bond with? 0:2 0:2 . [03 pts.) How many carbons are in planar double bond system? poleg omegn (8 0 7 02 to 4 Tor 2 16. [03 pts.] What is the specific rotation of a sample of carvone that is...