A 08715 G Sample of Sorbic Acid, a Compound First Obtained

question 19

Multiple Choice

A 0.8715 g sample of sorbic acid, a compound first obtained from the berries of a certain ash tree, is burned completely in oxygen to give 2.053 g of carbon dioxide and 0.5601 g of water. The empirical formula of sorbic acid is

• A) CH₂O.
• B) C₃H₄O.
• C) CH₄O₃.
• D) C₃H₄O₂.
• E) C₂H₄O₂.

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Definitions:

Symbolic Constant

A symbolic constant is a name that substitutes for a constant value. Unlike variables, symbolic constants do not change during program execution.

End-Of-File Sentinel

A special character or sequence used to indicate the end of a file; acts as a marker for processing data up to the file's conclusion.

Fgetc()

A function in C programming used to read and return the next character from a specified file, advancing the file position.

Fgets()

A function in C programming used to read a string from a file or input stream, terminating at a newline character or EOF.