Skip to main content
Ch.2 - Atoms, Molecules, and Ions
Brown - Chemistry: The Central Science 15th Edition
Brown15th EditionChemistry: The Central ScienceISBN: 9780137542970Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoBrown 15th EditionCh.2 - Atoms, Molecules, and IonsProblema 49c
Capitolo 2, Problema 49c

Write the empirical formula corresponding to each of the following molecular formulas: (c) C4H8O2

Guida verificata passo dopo passo
1
Identify the greatest common divisor (GCD) of the subscripts in the molecular formula C₄H₈O₂.
Divide each subscript in the molecular formula by the GCD to simplify the ratio of atoms.
Write the empirical formula using the simplified ratio of atoms obtained from the previous step.
Ensure that the empirical formula represents the simplest whole number ratio of the elements present in the compound.
Verify that the empirical formula cannot be further simplified by checking if the subscripts have any common factors other than 1.

Risposta video verificata per un problema simile:

Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.
Durata del video:
1m

Concetti chiave

Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.

Empirical Formula

The empirical formula represents the simplest whole-number ratio of atoms of each element in a compound. It is derived from the molecular formula by dividing the subscripts of each element by their greatest common divisor. For example, the empirical formula of C4H8O2 is C2H4O, indicating that for every two carbon atoms, there are four hydrogen atoms and one oxygen atom.
Video consigliato:
Percorso guidato
02:26
Empirical vs Molecular Formula

Molecular Formula

The molecular formula provides the actual number of atoms of each element in a molecule of a compound. It can be the same as the empirical formula or a multiple of it. In the case of C4H8O2, the molecular formula indicates that there are four carbon atoms, eight hydrogen atoms, and two oxygen atoms in each molecule, which can be simplified to its empirical form.
Video consigliato:
Percorso guidato
02:08
Determining Molecular Formulas

Greatest Common Divisor (GCD)

The greatest common divisor is the largest integer that divides the subscripts of the elements in a molecular formula without leaving a remainder. It is essential for simplifying the molecular formula to its empirical form. For C4H8O2, the GCD of the subscripts 4, 8, and 2 is 2, which is used to reduce the formula to C2H4O.
Video consigliato:
Percorso guidato
02:53
Common Ion Effect
Pratica correlata
Domanda del libro di testo

Determine the molecular and empirical formulas of the following: (b) the compound silicon tetrachloride, which has a silicon atom and four chlorine atoms and is used in the manufacture of computer chips

1131
views
Domanda del libro di testo

Two substances have the same molecular and empirical formulas. Does this mean that they must be the same compound?

922
views
Domanda del libro di testo

Write the empirical formula corresponding to each of the following molecular formulas: (b) C8H10

1017
views
Domanda del libro di testo

Write the empirical formula corresponding to each of the following molecular formulas: (a) Al2Br6

776
views
Domanda del libro di testo

Determine the molecular and empirical formulas of the following: (a) the organic solvent benzene, which has six carbon atoms and six hydrogen atoms

877
views
Domanda del libro di testo

Write the empirical formula corresponding to each of the following molecular formulas: (d) P4O10 (e) C6H4Cl2 (f) B3N3H6.

660
views