The flow of the calculation is
grain of salt (conversion factor) → mass(molar mass) → mol(Avogadro’s number)→ molecules
A grain of salt (NaCl) has a mass of about 0.3 mg. How many NaCl molecules are there in one grain of salt?
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Mole Concept concept. You can view video lessons to learn Mole Concept. Or if you need more Mole Concept practice, you can also practice Mole Concept practice problems.