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Chemistry

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0.356 grams of an unknown metal reacts with oxygen to form 452 milligrams of the metal oxide. Identify the metal

  • Chemistry - ,

    Do I assume it forms MO2?
    .....2M + O2 ==> 2MO2
    ..0.356..0.096...0.452
    mols O2 = 0.096/32 = 0.003
    mols M = 0.003 x 2 = 0.006
    molar mass = grams/mol = 0.356/0.006 = 118.7. Look this up on the periodic table.

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