a certain ore is 339 nickel mass How many kilograms of this

Gr Not Set 0 708/1002/19/2018 08:33 PM Cslculator Pericdic Table Map Sapling Learning katan ore is 33.9% nickel by mass. How many kilograms of this ore would you need to dg up to have 85.0 g of nickel? Number kg O Previcus Check Answer Next Extr. oe@

Solution

Suppose mass of ore = 100 g then mass of nickel = 33.9 g

Now we can say that

39.9 g nickel in 100 g of certain ore so 85.0 g of nickel would required (100 g/39.9 g)*85.0 g = 213 g

Mass of nickel would required in Kilograms = 213 Kg / 1000 = 0.213 Kg