Explanation:
Below is an attachment containing the solution.
Hello there!
It is just based on the fact that they are closer or further away from the Sun.
Hope This Helps You!
Good Luck :)
The solution for this problem is:
Let x denote the specific rotation, R; andLet y denote the specific rotation, S = -x
Solution:60 x - 40 x/100 = - 43
20x = - 4300Divide both sides by 20The answer is:x = - 215 is the specific rotation of the pure r isomer.