Given the Following Reaction

question 118

Multiple Choice

Given the following reaction:
Na₂SO₄(s) + 2 C(s) → Na₂S(s) + 2 CO₂(g)
How many grams of carbon are required to produce 18.4 g Na₂S(s) ?

• A)11.3 g
• B)5.66 g
• C)2.83 g
• D)239 g
• E)142 g

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Definitions:

Valence Shell Electron Pair Repulsion Theory

A model used to predict the geometry of individual molecules based on the repulsion between electron pairs around a central atom.

Molecular Geometry

The three-dimensional arrangement of atoms within a molecule, determined by the spatial distribution of electrons and the resulting chemical bonds.

Water Molecule

A molecule consisting of two hydrogen atoms bonded to one oxygen atom, represented chemically as H2O.

Molecular Shape

The three-dimensional arrangement of atoms within a molecule, determined by the chemical bonds and electron pairs surrounding the central atom.