### Is $\mathrm{MgCl}_{2}$ an empirical or a molecula…

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University of New Mexico

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Problem 34

Which of the following sets of information allows you to obtain the molecular formula of a covalent compound? In each case that allows it, explain how you would proceed (draw a road map and write a Plan for a solution).
(a) Number of moles of each type of atom in a given sample of the compound
(b) Mass $\%$ of each element and the total number of atoms in a molecule of the compound
(c) Mass $\%$ of each element and the number of atoms of one element in a molecule of the compound
(d) Empirical formula and mass $\%$ of each element
(e) Structural formula

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Chapter 3
Stoichiometry of Formulas and Equations
CHEMISTRY: The Molecular Nature of Matter and Change 2016

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