9. The empirical formula mass of a
substance is generally greater than its
Molecular mass.
True
O
False
Answers
Answer:
False-Empirical formula of a compound is the chemical formula which expresses the simplest whole number ratio of the atoms of various elements present in a molecule of the compound.
⟶ Molecular formula of the compound is the chemical formula which represents true formula of a molecule. It expresses the actual number of atoms of various elements present in a molecule of a compound.
Relation between empirical formula and molecular formula:-
Molecular formula= n×Empiricalformula
∴H2O2=2×HO [ n=number by which simplest ration of empirical formula obtained]
=H2O2
Also, n=EmpiricalformulaMolecularformula
Molecular weight of H2O2=2×1+2×16
⇒2+32=34 .
Answered By
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