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What volumes will each of the following occupy at STP?
a. 1.80 x 10^24 molecules of SO3
b. 7.5 mol C2H6
c. 25.2 grams chlorine
14 years ago

Answers

DrBob222
You need to know the following for gases at STP. ONe mole will occupy 22.4 L and will contain 6.022E23 molecules. Those two facts will work almost any simple gas problem you have concerning volume and number of molecules.
14 years ago
Ivy
is this right for a. 1.80 x 10^24 molecules of SO3(1 mol SO3/6.022E23)(22.4L/1 mol)? but then the book said the answer is 67.0 L SO3
14 years ago

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