Regents Chemistry Exam June 2024 Question 8
8 What information about C4H10 can be determined from its structural formula, but not determined from its molecular formula?
(1) physical state
(2) molar mass
(3) ratio of different atoms
(4) arrangement of the atoms
Solution:
Structural formula shows the connection and arrangement of the atoms in a molecule while molecular formula only shows the number of atoms of each element. The correct answer is 4.
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