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harvey45LJayden

Yah, I got the idea from everyone on YouTube who takes screenshots of the 'no picture' default and eadded something, and edited BD's with the lazah meme.
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Anyway, the weighted averages in chemistry are quite simple. Fictional example:
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25% of element Lj is Lj-47
45% of element Lj is Lj-48
30% of element Lj is Lj-49
The average atomic mass of Lj ...
Jun 10 2010 08:30 AM