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Last updated 10:13 AM on 5/11/26
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5 Terms

1
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Getting an accurate mass

Weigh using a weighing boat

Add mass to a beaker

Re weigh the weighing boat

Find difference by original mass of weighing boat and mass minus the weighing boat.

Now you have an exact mass added to the beaker

2
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Beaker

Add distilled water to dissolve the solid

Stir with a glass rod

Add water until all solid have dissolved

3
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Volumetric flask

Transfer the solution from the beaker to a volumetric flask using a funnel

Rinse the beaker with distilled water, glass rod and the funnel and add to the volumetric flask

Top up the flask to 250cm3

And INVERT

4
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Decreasing percentage uncertainty

(Titre)

Increase the titre by diluting the titre

Large volume means smaller uncertainty

5
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Use of volumetric pippette and burette

Uncertainty is very low relative to a measuring cylinder

Decreases percentage uncertainty