(2010·广安)向盛有稀硫酸的小烧杯中慢慢滴加10%的Ba(OH)2溶液至过

(2010·广安)向盛有稀硫酸的小烧杯中慢慢滴加10%的Ba(OH)2溶液至过量,有关量的变化情况见下图(横坐标表示氢氧化钡溶液的质量,纵坐标表示小烧杯中量的变化)。其中错误的是(     )

答案

B解析:

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