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OpenStudy (anonymous):
why is it important that all trial densities should be reported to 5 digits?
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OpenStudy (cuanchi):
it is important if you need to differentiate substances with similar density, if you have to differentiate air, wood, water, iron, lead, etc with 2 digits will be enough. But if you have to differentiate solutions of different concentrations of sugar you may need a more accurate measurement, otherwise you will be not able to differentiate the solutions, all will have the same density. See attached tables
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