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Calculate the mass of (i) one atom of ...

Calculate the mass of
(i) one atom of aluminium
(ii) 3.0 mol of `Cl^(-)` ion
(iii) 10 carbon atoms
( At. Mass `:` O = 16u, Cl = 35.5u, Na = 23u, Al= 27u, C = 12u )

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AI Generated Solution

To solve the question, we will calculate the mass for each part step by step. ### (i) Mass of one atom of Aluminium 1. **Identify the atomic mass of Aluminium**: The atomic mass of Aluminium (Al) is given as 27 u (atomic mass units). 2. **Use Avogadro's number**: One mole of any substance contains Avogadro's number of atoms, which is approximately \(6.022 \times 10^{23}\) atoms. ...
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