What is the percent composition of #NiO#, if a sample of #NiO# with a mass of 41.9 g contains 33.1 g #Ni# and s g #O#?

1 Answer
anor277
May 30, 2017

Well it has #79.0%# metal content.........

Explanation:

#%Ni=(33.1*g)/(41.9*g)xx100%=79.0%#

#%O=(41.9*g-33.1*g)/(41.9*g)xx100%=21.0%#

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