How many molecules are in 7.50 mol of SO2

45.165  ×  10²³ molecules

Explanation:

Given data:

Number of moles of SO₂ = 7.50 mol

Number of molecules = ?

Solution:

Avogadro number:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.  The number 6.022 × 10²³ is called Avogadro number.

1 mole = 6.022 × 10²³ molecules

7.50 mol  ×  6.022 × 10²³ molecules

45.165  ×  10²³ molecules

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