Asked by Anonymous
How many molecules of O2 are in a 3.5 liter container? How many atoms? Must show work.
Answers
Answered by
DrBob222
There are 6.02 x 10^23 molecules in a mole. So how many moles do you have in 3.5 L (I assume this is at STP.).
There are 22.4 L for a mole of any gas at STP; therefore, moles O2 will be
3.5 L x (1 mole/22.4 L) = moles O2.
Now you can calculate the number of molecules with the 6.02 x 10^23 value. The number of atoms, of course, is just twice the number of molecules.
There are 22.4 L for a mole of any gas at STP; therefore, moles O2 will be
3.5 L x (1 mole/22.4 L) = moles O2.
Now you can calculate the number of molecules with the 6.02 x 10^23 value. The number of atoms, of course, is just twice the number of molecules.
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