How do you convert grams to moles?

To convert grams to moles, you use the same idea of molar mass, but in reverse.

🔹 Steps to convert grams to moles:

1. Find the molar mass of the substance.
   – For an element, it’s the atomic mass in grams per mole.
   – For a compound, add up the atomic masses of all atoms in the formula to get grams per mole.
2. Divide the given mass (in grams) by the molar mass.
   – This tells you how many moles are present.

Example (conceptual, no equation):
Suppose you have 36 grams of water. Since the molar mass of water is about 18 g per mole, dividing 36 by 18 gives you 2 moles of water.

In short:
Grams ÷ Molar Mass = Moles.