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1.)How many molecules are present in a 0.39 mole sample of oxygen gas?
2.)If we have 3.59 mol of Fe2O3, how many grams of SO3 can react with it? 3.)How many molecules are there in 24 grams of FeF3?
4.)Calculate the molar mass of C5H12? 5.)Determine the mass in grams of 0.600 mol of Oxygen atoms.​


please help me:)


Sagot :

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