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Figure \(\PageIndex{1}\): To measure the volume of liquid in this graduated cylinder, you must mentally subdivide the distance between the 21 and 22 mL marks into tenths of a milliliter, and then make a reading (estimate) at the bottom of the meniscus.
- 2.2: Lab - Units, Measurements, and Significant Figures
Using a 100-mL graduated cylinder, fill the graduated...
- 2.2: Lab - Units, Measurements, and Significant Figures
I will show an easy way to read a graduated cylinder and a burette with correct significant digits. For more practice on this type of measurement, you can d...
Figure \(\PageIndex{1}\): To measure the volume of liquid in this graduated cylinder, you must mentally subdivide the distance between the 21 and 22 mL marks into tenths of a milliliter, and then make a reading (estimate) at the bottom of the meniscus.
10 mL graduated cylinders let you measure volumes up to 10.00 mL to the nearest 0.01 mL. 25 mL graduated cylinders let you measure volumes up to 25.0 mL to the nearest 0.05 or 0.02 mL, depending on your exact cylinder.
Using a 100-mL graduated cylinder, fill the graduated cylinder to approximately 50 mL with tap water and record the volume to the correct number of significant figures. 2. Take the same metal object that you just measured for volume and carefully place the object in the graduated cylinder.
The smallest division of this graduated cylinder is 1 mL. Therefore, our reading error will be 0.1 mL or 1/10 of the smallest division. An appropriate reading of the volume is 36.5 0.1 mL. An equally precise value would be 36.6 mL or 36.4 mL. How many significant figures does our answer have? 3!
This graduated cylinder measures volume more accurately than the beaker. The graduated cylinder can be read to the tenths place, giving a reading of 11.5 mL. The beaker's volume must be estimated at about 10 mL. Liquid is poured from the graduated cylinder into the beaker.
