posted by hannah .
A 2.241 g sample of nickel reacts with oxygen to form 2.852 g of the metal oxide. Calculate the empirical formula of the oxide.
Give the number of moles of each element to support you answer.
moles of Ni
2) 1.339 mol
moles of O
I know #1 is correct but 2 and 3 are wrong. i need help
Yes,2,3 are wrong.