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Chemistry
Maribel Thomas
21 August, 04:30
How many atoms are in 5.40mol of iron
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Keyon Garcia
21 August, 07:31
0
32.52 * 10²³ atoms
Explanation:
Given dа ta:
Number of mole of iron = 5.40 mol
Number of atoms = ?
Solution:
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.
For example,
18 g of water = 1 mole = 6.022 * 10²³ molecules of water
1.008 g of hydrogen = 1 mole = 6.022 * 10²³ atoms of hydrogen
For 5.40 mole of iron:
55.845 g = 1 mole = 6.022 * 10²³ atoms
5.40 * 6.022 * 10²³
32.52 * 10²³ atoms
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