A compound has an empirical formula of SO3 and a molecular mass of 152. What is the molecular formula?

Molecular formula = S₂O ₆

Explanation:

Given data:

Empirical formula = SO₃

Molecular formula = ?

Molecular mass = 152 g/mol

Solution:

Molecular formula = n (empirical formula)

n = molar mass of compound / empirical formula mass

Empirical formula mass  = 80 g/mol

n = 152 g/mol / 80 g/mol

n = 2

Molecular formula = n (empirical formula)

Molecular formula = 2(SO₃)

Molecular formula = S₂O ₆

8

explanation:

each principal energy level above the first contains one s orbital and three p orbitals. a set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. therefore, the second level can contain a maximum of eight electrons - that is, two in the s orbital and 6 in the three p orbitals.

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