Question: how many atoms are in 1 mole of argon?
Answer: We assume you are converting between moles Argon and gram. You can view more details on each measurement unit: molecular weight of Argon or grams The molecular formula for Argon is Ar. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Argon, or 39.948 grams.