Respuesta :
Answer: 900.33moles
Explanation:Please see attachment for explanation

Answer:
There are 899.88 moles.
Explanation:
To solve this problem we'll need to use Avogadro's number, which tells us that in one mole of a species, there are 6.023x10²³ atoms (or molecules).
With the above information in mind we can calculate the moles in 5.42x10²⁶ atoms of calcium:
- 5.42x10²⁶ atoms * [tex]\frac{1 mol}{6.023x10^{23}atoms}[/tex] = 899.88 moles