(5分)为了分析某生铁中铁的含量,学习小组的同学们进行了实验探究,即取6g生铁与10%的盐酸反应,加入盐酸质量与放出气体

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  • (5分)(1)0.2 ················································1分 (2)设反应的铁的质量为XFe + 2HCl = FeCl 2 + H 2 ↑             ...

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