rose92
rose92 rose92
  • 08-11-2016
  • Chemistry
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I have no idea how to answer question 5! Someone please help!

I have no idea how to answer question 5 Someone please help class=

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eda233 eda233
  • 08-11-2016
Ay he wery much he like sister
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Аноним Аноним
  • 08-11-2016
percent by mass of Ni=(mass of Ni *100/total mass of this sample)

Data:
mass of Ni=10.4 g
total mass of this sample=24.6 g

percent by mass of Ni=(10.4*100/24.6)≈42.3%

Answer: 42.3
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