It is the simplest whole number ratio of elements in a compound. Molecular formula is n times the empirical formula where n is integers 1,2,... The empirical formula is BH2N.
Empirical formula gives the proportion of the element that is present in a compound. It does not give information about the actual number or the arrangements of the atoms.
n= molecular formula÷ empirical formula
Molecular formula =B[tex]_3[/tex]H[tex]_6[/tex]N[tex]_3[/tex]
Molecular formula = 3×BH2N
Molecular formula =3×empirical formula
Empirical formula = BH2N
Therefore, the empirical formula for this compound B[tex]_3[/tex]H[tex]_6[/tex]N[tex]_3[/tex] is BH2N.
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