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mafiozo [28]
4 years ago
5

An experimental procedure says to accurately weigh approximately 1 g of substance an analytical balance. Which of the following

measurements are consistent with these instruction select all that apply a 1.0456 g B 1.0 g C 0.9811 g D1 gram 1.01 g E .99
Chemistry
2 answers:
castortr0y [4]4 years ago
7 1

Answer:

B 1.0 g

Explanation:

Hello,

In this case, by means of the significant figures we can see that 1 g has one significant figure only, for that reason, among the options, we should select one having the closest value to it, for that reason, the correct answer should be B 1.0 g as the measurement indicates the desired value.

Best regards.

shthead
3 years ago
not really. See the USP definition of these terms. Sig figs is not correct.
shthead3 years ago
0 0

Accurately means your balance can meet accuracy criteria for the specified weight. Approximately means +/- 10% of the target. So 0.900 to 1.100 g for a 1 g target and a balance capable of 0.10% accuracy at that level. See USP definitions for these terms, USP <41>.

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