Mass of single atoms or molecules in u and grams

1. A.
   $2.06056\times10^{-22}\,g$
2. B.
   $1.66056\times10^{-23}\,g$
3. C.
   $1.06056\times10^{-24}\,g$
4. D.
   $3.66056\times10^{-25}\,g$

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1. A.
   $3200$ u and $5.314 \times 10^{-21}$ g
2. B.
   $1600$ u and $2.657 \times 10^{-21}$ g
3. C.
   $32$ u and $1.328 \times 10^{-21}$ g
4. D.
   $8$ u and $3.978 \times 10^{-21}$ g

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1. A.
   $12\ u$
2. B.
   $30\ u$
3. C.
   $25.4\ u$
4. D.
   $8.35\ u$

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