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How many atoms of aluminum (Al) are in 5.75 mil of aluminum?
Answer in units of atoms.

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answer: 3.46 • 10^24

in one mol of any element, there are 6.022x10^23 atoms. the question is asking how many atoms in 5.75 mol, so multiply 5.75 by 6.022x10^23 to get approximately 3.46x10^24 atoms.
User Mohd Mufiz
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