Respuesta :
The molecular formula of the SO compound is [tex]\rm S_2O_2[/tex]. Thus, option B is correct.
The empirical formula is the whole number formula for the compound. The molecular formula is the descriptive formula for each number of atoms of elements in the compound.
Computation for molecular formula of SO
The molecular mass is the sum of each atom of an element in the formula unit. The molecular mass of the given compound is 96.13 g/mol.
The mass of Empirical formula of compound ([tex]\rm M_E[/tex]) is:
[tex]\rm M_E=Mass\;of \;S\;+\;Mass\;of\;O\\M_E=32.065\;g/mol\;+\;16\;g/mol\\M_E=48.065\;g/mol[/tex]
The mass of the empirical formula unit is 48.165 g/mol.
The number of empirical formula units in 96.13 g/mol are:
[tex]\rm 48.165\;g=1\;unit\\\\96.13\;g=\dfrac{1}{48.165}\;\times\;96.13\;units\\\\ 96.13\;g=2\;units[/tex]
The number of empirical mass units is 2. Thus, the formula of SO will be [tex]\rm (SO)_2=S_2O_2[/tex]. Hence, option B is correct.
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