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Chemistry..

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What mass of aluminum is produced by the decomposition of 5.0 kg Al2O3?
My answer is 3000 g of Al
Do you convert kg to g?
5.0kg---> 5000g???

  • Chemistry.. -

    mol mass of Al2O3 = 2*27 + 3*16 = 54+48 = 102

    fraction of Al in compound = 54/102

    so 5 (54/102) = 2.65 kg of Al in the 5 kg of compound

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