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chem

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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.
1)NiO

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

  • chem - ,

    Yes,2,3 are wrong.

    molesNi=2.241/atomicmassNi

    molesO=(2.852-2.241)/15.999

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