Amount of a product or reactant from a balanced equation

1. A.
   $22.4\,\text{dm}^3$
2. B.
   $5.6\,\text{dm}^3$
3. C.
   $11.2\,\text{dm}^3$
4. D.
   $7.46\,\text{dm}^3$

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1. A.
   $3.01\times10^{22}$
2. B.
   $2.01\times10^{23}$
3. C.
   $6.02\times10^{22}$
4. D.
   $5.02\times10^{23}$

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1. A.
   $6.022 \times 10^{23}$
2. B.
   $1.2044 \times 10^{23}$
3. C.
   $1.8066 \times 10^{23}$
4. D.
   $1.8044 \times 10^{24}$

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