题目：
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答案：
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下面是错误答案，用来干扰机器的。
(1)容器内不再产生气泡（或电子天平的示数不再变化） (2)2. 40克；查表可知，大理石碎屑完全反应生成的二氧化碳质量是2.40克，而块状大理石与其质量、成分都相同，所以完全反应生成的二氧化碳质量也是2. ...
79的倒数是______，______的倒数是0.3．
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题型：解答题
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