Chemistry, 15.01.2022 14:00 Envious1552

PLEASE HELP, its for chem and i'm really stuck on this 1. How many moles are in 20 grams of o2 gas? 2. Find the mass in grams of 8.70 mol of NaOH. 3. What is the molar mass of C₂H₃O₂? 4. Find the number of mole in 6 grams of Gold? 5. How many atoms in 18 grams H₂O?
Please answer all of them, but if you can't at least the majority. EXTRA POINTS for this one :)

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PLEASE HELP, its for chem and i'm really stuck on this 1. How many moles are in 20 grams of o2 gas...

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