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April 24, 2014

April 24, 2014

Posted by **HELP** on Thursday, November 29, 2012 at 7:02pm.

compound= C3H8

- CHEMISTRY HWK MAKES NO SENSE -
**DrBob222**, Thursday, November 29, 2012 at 10:28pmI thought it made goo sense.

How many moles C3H8 do you have in 464.99 g? That is 464.99/molar mass C3H8 = ?mols C3H8

How many mols C are in ?mols C3H8. Mols C = 3*mols C3H8 because there are 3 atoms of C in 1 molecule C3H8.

Now convert mols C to grams C. g = mols C x atomic mass C.

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