Mass in kg of a given number of moles

1. A.
   0.3 kg
2. B.
   3.0 kg
3. C.
   30 kg
4. D.
   300 kg

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1. A.
   $5.10 \times 10^{-2}$ kg
2. B.
   $4.25 \times 10^{-2}$ kg
3. C.
   $1.72 \times 10^{-2}$ kg
4. D.
   $3.44 \times 10^{-2}$ kg

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