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if you have 0.454 grams of sulfur trioxide, how many moles does this represent? how many molecules? how many oxygens atoms?
14 years ago

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bobpursley
moles=mass/molmassSO3

how many molecules? moles*avagradro's number

How many oxygen atoms? three times the number of molecules.

Your teacher is too easy.
14 years ago

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