Answer:
The mole is important because it allows chemist to work with a subatomic world with macro world units and amount. Atoms molecules and formula units are very small and very difficult to work with usually. However the mole allows a chemist to work with amount large enough to use.
Answer:
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Explanation:
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It is an element. Aluminun foil is aluminum prepared in thin leaves.
C unbalanced force is occuring
