How many atoms of gold are there in 5 moles of a gold sample ?

30.11 × 10²³ atoms

Explanation:

Given data:

Number of moles of gold = 5 mol

Number of atoms = ?

Solution:

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 atoms

5 mol × 6.022 × 10²³ atoms /1 mol

30.11 × 10²³ atoms

h let me think

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