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If your question is why must a graduated cylinder be dry to measure something then the answer is so that it only measures the volume of what you add to it. If it is wet or otherwise dirty, the contaminants will obviously take up some space and provide a total higher volumetric measurement than should be yielded by whatever it is you are measuring.
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Which device is used to determine the volume of a liquid?
The answer depends on the quantity of liquid. A graduated cylinder will not be much use in measuring the volume of liquid in an ocean!
What is the purpose of the graduated cylinder in the collection of hydrogen gas by water displacement?
A graduated cylinder is a laboratory equipment. Its purpose in the collection of hydrogen gas by water displacement is for measuring and mixing the volume of liquid.
What pieces of lab equipment measure volume?
There are three ways to measure volume. If you are measuring a liquid, you need a graduated cyliner. If you are measuring the volume of a regular solid, you need a ruler to measure length, width, and height. You would then use the formula V=LxWxH. The third way to measure volume is to use displacement to find the volume of an irregular solid. You would put a certain amount of water in a graduated cylinder, write the starting amount down. Add the irregular solid to the graduated cylinder. Record the ending amount of liquid and subtract the ending amount minus the starting amount.
What is the accurate apparatus to measure volume of water?
Depending upon the amount of substance you are using and what it is, you could use a graduated cylinder, Erlenmeyer flask, or a beaker.
What h of the following should be used to make a precise measurement of liquid volume?
Graduated cylinder
