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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08-11-2016

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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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