IDNLearn.com is the perfect place to get detailed and accurate answers to your questions. Discover comprehensive answers to your questions from our community of experienced professionals.

How many atoms of gold are there in 5 moles of a gold sample ?

Sagot :

Answer:

30.11 × 10²³ atoms

Explanation:

Given data:

Number of moles of gold = 5 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.

1 mole = 6.022 × 10²³ atoms

5 mol × 6.022 × 10²³ atoms /1 mol

30.11 × 10²³ atoms