How can these objects all weigh the same but be different sizes?
1 answer:
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Answer : The percent of aluminium in is
Solution :
Molar mass of Aluminium = 26.98 g/mole
Molar mass of = 342.15 g/mole
First we have to calculate the mass of Aluminium.
Mass of 2 Al atoms = 2 × 26.98 g/mole = 53.96 g/mole
Now we have to calculate the percent composition of Aluminium in
Now put all the given values in this formula, we get
Therefore, the percent of aluminium in is