Calculate the mass of an atom of (a) helium, (b) iron, and (c) lead. Give your answers in kilograms. The atomic masses of these atoms are $4.00 \mathrm{u}, 55.9 \mathrm{u},$ and $207 \mathrm{u},$ respectively.
Added by William L.
Step 1
00 u 1 atomic mass unit (u) = $1.66 \times 10^{-27}$ kg Therefore, mass of helium atom = 4.00 u $\times$ $1.66 \times 10^{-27}$ kg/u = $6.64 \times 10^{-27}$ kg Show more…
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Calculate the mass of an atom of (a) helium, (b) iron, and (c) lead. Give your answers in kilograms. The atomic masses of these atoms are 4.00 u, 55.9 u, and 207 u, respectively.
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