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Module 1: The MOLE concept

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Cifre significative

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XSIQ
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Chemistry - Significant figures

Significant figures

Answers to chemical calculations should always be given to the minimum
number of significant figures in the data used.

All data used in the above question were expressed to three significant
figures (1.25 mol and 3.40 kg) or four significant figures (all the
relative atomic masses used).

The answers in both cases were expressed to three significant figures.

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