1.56 X 10^21 atoms of sodium ( 1 mole Na/6.022 X 10^23)
= 0.00259 moles sodium
or
2.59 X 10^-3 moles sodium
3.55 moles of sodium is equivalent to 21,3781.10e23 atoms.
1.56 x 6.022 x 1023 = 9.394 x 1023.
6.02*10^23
3.7 moles sodium (6.022 X 10^23/1 mole Na) = 2.2 X 10^24 atoms of sodium
17.54 mg
the formula does not show how many moles are in a compound, but it tells how many atoms of an element that are in the compound...
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.
When the RAM of sodium is assumed as 23.1, the given mass contains 0.01 moles of the substance.
3.9 moles of atoms
Seventeen moles of hydrogen correspond to 204,75.10e23 atoms.
9,003 x 1023 atoms of iron correspond to 1,495 moles.
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.
0,2 mol sodium contain 1,204.10e23 atoms.
1. Three moles of sodium contain 18,06642387.1023 atoms. 2. The mass of three moles of sodium is 68,97 grams.
1 mol has 6,022 140 857.10e23 atoms (The number of Avogadro).4 moles of sodium have 24,088 563 428.10e23 atoms.
1.81x10^24 atoms
20 moles of elemental sodium and 10 moles of elemental chlorine, which contains two atoms per molecule.
Quite a few. 6.32 X 10^25 atoms sodium (1 mole Na/6.022 X 10^23) = 105 moles of sodium
2.00 moles sodium (6.022 X 1023/1 mole Na) = 1.20 X 1024 atoms of sodium ---------------------------------------