calculate the number of atoms in 2.5 mol manganese. show the steps and please don’t answer if you don’t know :)

15.1  × 10²³ atoms

Explanation:

Given data:

Number of moles of manganese = 2.5 mol

Number of atoms = ?

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 atoms

2.5 mol × 6.022 × 10²³ atoms / 1 mol

15.1  × 10²³ atoms

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