How do I calculate each of these?- Fractional uncertainty in mass of liquid sample - Fractional uncertainty in volume of liquid sample - Fractional uncertainty in density of liquid sample - Uncertainty in density of liquid sample

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03-11-2022
Chemistry

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How do I calculate each of these?- Fractional uncertainty in mass of liquid sample - Fractional uncertainty in volume of liquid sample - Fractional uncertainty in density of liquid sample - Uncertainty in density of liquid sample

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RuzgarC381259idn RuzgarC381259idn · Answer 1 · 2022-11-03T14:34:45-04:00

RuzgarC381259idn RuzgarC381259idn

03-11-2022

Fractional uncertainty is found by dividing the absolute uncertainty by the quantity itself. It is always the same for every measure: mass, volume, density, etc.

For example, if we have this measure 7.5+-0.1kg. The fractional uncertainty is:

[tex]\frac{0.1}{7.5}=0.013[/tex]

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