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  • 12-12-2020
  • Chemistry
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How many moles of sodium atoms do you have if you have 5.60 ~
1023 atoms of sodium. (The mass of one mole of sodium is 22.99 g.)

Respuesta :

Neetoo
Neetoo Neetoo
  • 13-12-2020

Answer:

0.93 mol

Explanation:

Given data:

Number of moles of Na atom = ?

Number of atoms = 5.60× 10²³

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

5.60× 10²³ atoms ×  1 mol / 6.022 × 10²³ atoms

0.93 mol

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