本题目来源于试卷: Tools & Inquiries G.2 Mathematics Tools，类别为 IB化学
[单选题]
2.00 ± 0.02 g $NaClO_3$ were dissolved in 2.0 ± 0.5 dm$^3$ distilled water.
Which row gives the correct concentration in gd m$^{-3}$ and relative uncertainty?
A. Concentration( gd m$^{-3}$) is 1.00;Relative uncertainty is ± 0.25
B. Concentration( gd m$^{-3}$) is 1.0;Relative uncertainty is ± 0.3
C. Concentration( gd m$^{-3}$) is 1.00;Relative uncertainty is ± 0.3
D. Concentration( gd m$^{-3}$) is 1.0;Relative uncertainty is ± 0.25
参考答案: B
本题详细解析:
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