What is the mass of 9.5 moles of aluminum oxide al2o3
Chemistry
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Answer
The mass of 9.5 moles of aluminum oxide (Al2O3) is 970 grams.
Step-by-step solution
3 stepsHere's how to calculate it:
Determine the molar mass of Al2O3
- Atomic mass of Aluminum (Al) = 26.98 g/mol
- Atomic mass of Oxygen (O) = 16.00 g/mol
- Molar mass of Al2O3 = (2 * 26.98 g/mol) + (3 * 16.00 g/mol)
- Molar mass of Al2O3 = 53.96 g/mol + 48.00 g/mol
- Molar mass of Al2O3 = 101.96 g/mol
Calculate the total mass
- Mass = Number of moles * Molar mass
- Mass = 9.5 moles * 101.96 g/mol
- Mass = 968.62 g
Round to appropriate significant figures
- Since 9.5 moles has two significant figures, the final answer should also be rounded to two significant figures.
- Mass = 970 g
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