A graduated cylinder originally contained 17.2 mL of water. An object weighing 14.1 g was then submerged in the water and the new reading was 21.1 mL. The balance can be read to + 0.1 g and the cylinder to + 0.2 mL. a. Which measurement is the less precise? b. What is the volume of the object?

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A: Density = mass/volume  Mass = density × volume  Volume = mass/density

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A: The mass of 85.5 mL of the given liquid is calculated as shown below.

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Q: Calculate the volume in mL

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.