Explanation:

To find the number of atoms in the given moles of the element follow the following steps:

Step 1 : Use the avogadro number to convert the moles to atoms.We know that 1 mole of any atom ,compound,formula unit has 6.02 x 10^{23} atom,compound or formula unit .In the problem given here there are there are 2 moles of S atom .

1 mole of S atom = 6.02 x 10^{23} atoms of S

Step 2 : How many atoms will be in 3.44 moles of S .Use the formula

Given x conversion factor

(given is the condition given in the problem and A **conversion factor** is a ratio (or fraction) which represents the relationship between two different units) .

2 moles of S x 6 .02 x 10^{23} atoms of S / 1 mole of S atoms = 12.04 x 10^{ 23 }atoms of S

Answer:

12.04 x 10^{ 23 }atoms of S

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