1. (5.0 points, show your work) -carotene with a molar mass =536.87g/mol was analyzed by UV-visible spectrophotometer. Given the following standard calibration curve for the -carotene in aqueous solution, answer the following questions: a. (2.5 points) If a solution has an absorbance of 1.40, what is the molar concentration of -carotene? b. (1.5 points) If the above solution (in part a) was prepared by dilution original solution from 10.0mL into 50mL, what is the molar concentration of -carotene in the original (10.0mL solution)? c. ( 1.0 points) What is the expected \%transmittance for the -carotene when its concentration =1.2mg/L