How much substance is in an aluminum casting weighing 21.6 kg?
| April 25, 2021 | education
Task data: m (weight of aluminum casting) = 21.6 kg.
Reference data: according to the condition, we take M (molar mass of aluminum) = 27 * 10-3 kg / mol.
The amount of substance that will be contained in the aluminum casting is calculated by the formula: ν = m / M.
Calculation: ν = 21.6 / (27 * 10-3) = 800 mol.
Answer: An aluminum casting weighing 21.6 kg contains 800 mol of the substance.
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