分析化学有效数字教学中常见问题及分析

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Frequently Encountered Problems and Analysis of Significant Figures Teaching in Analytical Chemistry

Haiyan LIU,Yi ZHAO,Ping HU,Junhong QIAN,Wenqing ZHANG

表1 滴定管体积校正的一组数据记录*

滴定管读数/mL 容积/mL 瓶与水的质量/g 水的质量/g 实际容积/mL 校正值/mL 累计校正值/mL 0.03 29.20(空瓶) 10.13 10.10 39.28 10.08 10.12 +0.02 +0.02