Shiloo
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| Joined: 16 Nov 2012 |
| Total Posts: 12771 |
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zman250
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| Joined: 20 Jan 2011 |
| Total Posts: 18410 |
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| 15 May 2017 07:16 PM |
it's ok i have a d+ in chem
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Synoan
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| Joined: 31 Aug 2012 |
| Total Posts: 15658 |
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zman250
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| Joined: 20 Jan 2011 |
| Total Posts: 18410 |
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Shiloo
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| Joined: 16 Nov 2012 |
| Total Posts: 12771 |
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Mohxy
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| Joined: 20 Dec 2010 |
| Total Posts: 5958 |
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| 15 May 2017 07:25 PM |
im lazy and i dont have a calculator but i might be wrong but all u gotta do is
atomic mass for isotope A * (percent abundance for isotope A / 100) + atomic mass for isotope B * (percent abundance for isotope B / 100) + atomic mass for isotope C * (percent abundance for isotope C / 100) = answer
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Mohxy
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| Joined: 20 Dec 2010 |
| Total Posts: 5958 |
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Shiloo
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| Joined: 16 Nov 2012 |
| Total Posts: 12771 |
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| 15 May 2017 07:38 PM |
| [ .99762 × 15.99 u ] (16.0) + [ .00038 × 16.99 u ] (0.0064562) + [ .00200 × 17.99 u ] = 0.03598 + 0.0064562 + ########## = 16.0 Rounded theres the answer i stopped being lazy n did it @commando text me??? |
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