Question
The average weight, per atom, of the atoms in your body is about $10^{-26} \mathrm{kg}\left(2 \times 10^{-26} \mathrm{pounds}\right)$. About how many atoms are there in your body?
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Step 1: First, we are given that the average weight of an atom in your body is $2 \times 10^{-26}$ pounds. Show more…
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Earth has a mass of $5.98 \times 10^{24} \mathrm{~kg}$. The average mass of the atoms that make up Earth is $40 \mathrm{u}$. How many atoms are there in Earth?
Earth has a mass of $5.98 \times 10^{24} \mathrm{~kg} .$ The average mass of the atoms that make up Earth is $40 \mathrm{u}$. How many atoms are there in Earth?
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