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Gaokao Chemistry Practice Question

在 $2.8 \mathrm{gFe}$ 中加入 $100 \mathrm{~mL} 3 \mathrm{~mol} / \mathrm{LHCl}$, Fe 完全溶解。 $\mathrm{N}_{\mathrm{A}}$ 代表阿伏加德罗常数的值, 下列说法正确的是

  1. A.反应转移电子为 $0.1 \mathrm{~mol}$
  2. B.$\mathrm{HCl}$ 溶液中 $\mathrm{Cl}^{-}$数为 $3 \mathrm{~N}_{\mathrm{A}}$
  3. C.$2.8 \mathrm{~g}^{56} \mathrm{Fe}$ 含有的中子数为 $1.3 \mathrm{~N}_{\mathrm{A}}$
  4. D.反应生成标准状况下气体 $3.36 \mathrm{~L}$

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