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CHEMISTRY HWK MAKES NO SENSE

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How many grams of C are required to make 464.99 grams of this compound?

compound= C3H8

  • CHEMISTRY HWK MAKES NO SENSE - ,

    I 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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