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each mole contains 6.022*10(raised to the power 23)

so three moles of sodium contain 18.066*10(raised to the power 23)

mass of one mole of sodium is 11 grams

so mass of three moles of sodium is 33 grams

Q: How many atoms of sodium are present in 3 moles of sodium and what is mass of it?

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1. Three moles of sodium contain 18,06642387.1023 atoms. 2. The mass of three moles of sodium is 68,97 grams.

1.81x10^24 atoms

44 moles of atoms

4,80 moles of Fe contain 28,9062761136.10e23 atoms.

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1. Three moles of sodium contain 18,06642387.1023 atoms. 2. The mass of three moles of sodium is 68,97 grams.

1. Three moles of sodium contain 18,06642387.1023 atoms. 2. The mass of three moles of sodium is 68,97 grams.

When the RAM of sodium is assumed as 23.1, the given mass contains 0.01 moles of the substance.

0,2 mol sodium contain 1,204.10e23 atoms.

4.0 X Avogadro's Number or 2.4 X 1024. (Elemental sodium does not technically have "moles", but its formula mass is considered to be that of a single atom.)

1.81x10^24 atoms

44 moles of atoms

There are 10 moles present in 585 g of sodium chloride.

How many MOLES of sodium nitrate are present in 2.85 grams of this compound ?

1 mol has 6,022 140 857.10e23 atoms (The number of Avogadro).4 moles of sodium have 24,088 563 428.10e23 atoms.

Since the formula shows two sodium atoms in each formula unit of sodium sulfate and this compound normally completely ionizes in water solution, the number of sodium ions will be twice the number of moles of the salt; in this instance, 1.0 moles of sodium ions.