joshuasager43ovk7nd joshuasager43ovk7nd

31-08-2017
Chemistry

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A certain ore is 29.9% nickel by mass. How many kilograms of this ore would you need to dig up to have 75.0 g of nickel?

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LeChatNoir LeChatNoir

31-08-2017

75g ---- 29,9%
Xg ----- 100%
X = 7500/29,9
X = 250,836g :)

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