Answer :
Determine the mass of a third element, if present, from the mass of its oxide produced in the combustion.
What is the molecular formula?
The molecular formula shows the number of atoms that are present in a compound. We know that there are three formulas that could be used to show a substance and they are;
The empirical formula
The molecular formula
The structural formula
Hence, the incorrect step in determining the molecular formula of the compound is; Determine the mass of a third element, if present, from the mass of its oxide produced in the combustion.
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