How many moles of potassium are represented by 7.85 _ 1024 potassium atoms?

asked Aug 11, 2017 75.2k views

3 votes

8.5k points

0 Comments

Please log in or register to add a comment.

3 votes

Use Avogadro number

1 mol = 6.02 * 10 ^ 23 atoms

7.85 * 10 ^ 24 atoms / 6.02 * 10 ^23 atoms / mol ≈ 13 moles

Sherlet answered Aug 15, 2017

8.7k points

0 Comments

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers