1. To pass Chem 18.1, ELIBAP must be able to determine the melting points of three ester compounds extracted and purified from three different plants. Ester 1 Ester 2 Ester 3 MW: 182.17 g/mol MW: 152.15 g/mol MW: 164.20 g/mol Possible Melting Points: -31 °C 64-67 °C -9 °C a. Given the molar mass and molecular structures of the esters, determine their most possible melting points. b. According to her friend who took Chem 18.1 last semester, one of the ester compounds exists as a solid above room temperature (25 °C) while the rest remain in their liquid forms. Identify the ester which is present in solid form above room temperature. Draw the structure.

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1. To pass Chem 18.1, ELIBAP must be able to determine the melting points of three ester compounds
extracted and purified from three different plants.
Ester 1
Ester 2
Ester 3
:0:
H.
MW: 182.17 g/mol
MW: 152.15 g/mol
MW: 164.20 g/mol
Possible Melting Points:
-31 °C
64-67 °C
-9 °C
a. Given the molar mass and molecular structures of the esters, determine their most possible
melting points.
b. According to her friend who took Chem 18.1 last semester, one of the ester compounds exists
as a solid above room temperature (25 °C) while the rest remain in their liquid forms. Identify the
ester which is present in solid form above room temperature. Draw the structure.
Transcribed Image Text:1. To pass Chem 18.1, ELIBAP must be able to determine the melting points of three ester compounds extracted and purified from three different plants. Ester 1 Ester 2 Ester 3 :0: H. MW: 182.17 g/mol MW: 152.15 g/mol MW: 164.20 g/mol Possible Melting Points: -31 °C 64-67 °C -9 °C a. Given the molar mass and molecular structures of the esters, determine their most possible melting points. b. According to her friend who took Chem 18.1 last semester, one of the ester compounds exists as a solid above room temperature (25 °C) while the rest remain in their liquid forms. Identify the ester which is present in solid form above room temperature. Draw the structure.
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