November 26, 2015

Homework Help: chem

Posted by hannah on Friday, November 12, 2010 at 5:20pm.

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
3)1.34 mol

I know #1 is correct but 2 and 3 are wrong. i need help

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