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How many atoms are in 5.00 moles of Mn?

Answer :

Answer:

3.01 x 10²⁴ atoms Mn

Explanation:

To find the number of manganese (Mn) atoms, you need multiply the given mole value by Avogadro's Number. Avogadro's number is a ratio which represents the number of atoms per every 1 mole. It is important to arrange the ratio in a way that allows for the cancellation of units (moles should be in the denominator to cancel the units of the given value). The final answer should have 3 sig figs like the given value (5.00 = 3 sig figs).

Avogadro's Number:

6.022 x 10²³ atoms = 1 mole

5.00 moles Mn 6.022 x 10²³ atoms
------------------------- x -------------------------------- = 3.01 x 10²⁴ atoms Mn
1 mole

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Rewritten by : Barada

Final answer:

5.00 moles of Mn is approximately 4.74 x [tex]10^{22[/tex] manganese (Mn) atoms.

Explanation:

"Moles" in chemistry refer to a unit of measurement used to express the amount of a substance. It is a fundamental concept in chemistry, particularly in stoichiometry, which deals with the quantitative relationships between reactants and products in chemical reactions. One mole of a substance is defined as the amount of that substance that contains the same number of entities (atoms, molecules, ions, etc.) as there are atoms in 12 grams of carbon-12.

5.00 moles of Mn is equivalent to approximately 4.74 x [tex]10^{22[/tex] manganese (Mn) atoms. This can be calculated using Avogadro's number, which represents the number of atoms in one mole of a substance.