本题目来源于试卷: Tools & Inquiries G.2 Mathematics Tools,类别为 IB化学
[单选题]
A student recorded the mass of solid NaCl as 1200 ad-j;beej x5 g5 tq.s5g. Which of the folod. 7kc9f* v6hut) p5noanq7llowing is correct ab5o fh*d lvnput79q 7.aock) 6nout the number of significant figures recorded?
A. The mass was recorded to 2 significant figures
B. The mass was recorded to 4 significant figures
C. The mass could have been recorded to either 2, 3, or 4 significant figures
D. None of the above
参考答案: C
本题详细解析:

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