Calculate the percentage of :
Sodium
in sodium aluminium fluoride `[Na_(3)AlF_(6)]` , to the nearest whole number. (Atomic Mass : Na = 23, Al = 27, F = 19]

Explanation

To calculate the percentage of sodium in sodium aluminium fluoride \([Na_3AlF_6]\), follow these steps:

### Step 1: Determine the mass of sodium in the compound
- The formula for sodium aluminium fluoride is \([Na_3AlF_6]\).
- There are 3 sodium (Na) atoms in the compound.
- The atomic mass of sodium (Na) is given as 23 g/mol.
- Therefore, the total mass of sodium in the compound is calculated as:
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