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Homework Help: What am I doing wrong with the AMU conversion?

  1. Jan 8, 2009 #1
    1. The problem statement, all variables and given/known data
    Determine the mass defect of the nucleus for cobalt 5927Co, which has an atomic mass of 58.933 198 u. Express your answer in AMU and Kg.

    2. Relevant equations
    How do I get the AMU? Or Atomic Mass Unit?

    3. The attempt at a solution
    Ok, so I solved the answer in Kg. The answer in Kg is 8.999737e-28 Kg (This answer is correct). And I need to provide the answer in Atomic Mass Units also. I know the conversion factor is 1 amu = 1.6605e-27 Kg.

    My answer is .5419895815, but Webassign is not accepting the answer. Please help.
  2. jcsd
  3. Jan 8, 2009 #2


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    Homework Helper

    I don't have a calculator near to me at the moment but all you need to do is divide your answer by 1.6605e-27 to get the units in amu
  4. Jan 8, 2009 #3
    The number i plugged into webassign is the Kg divided by the conversion factor...
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