ReinaInoue
ReinaInoue ReinaInoue
  • 07-06-2017
  • Chemistry
contestada

For those who know about protons and neutrons, please help!!

For those who know about protons and neutrons please help class=

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anonymous79
anonymous79 anonymous79
  • 07-06-2017
Relative atomic mass = 72%*(48+37)28%*(50+37)= 85.6g
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