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Chemistry

Answered

5. What mass of aluminum is produced by the decomposition of 6.50
kg of aluminum oxide?

Answer :

Keijosalonengo Keijosalonengo

Answer: 3.44 kg

Explanation: Formula of Aluminium oxide is Al2O3

Molar mass M = 2·26.98 + 3·16 = 101.96 g/mol

m-% of Al is 2·26.98 / 101.96 = 52.92 % = 0.5292

Mass of Al in Aluminium oxide is 0.5292 · 6.50 kg

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