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Chapter 1: Q1.6CYL (page 41)

What is the density of a liquid with a mass of 31.1415 g and a volume of 30.13 cm³?

Short Answer

Expert verified

Density =1.034 (round four significant figures, Three decimal places)

Step by step solution

01

Calculate the density

It is given that,

Mass of liquid=31.1415g

Volume of liquid=30.13cm3

Density=Mass / Volume

d=31.1415g / 30.13cm3

=1.0335711915 g/cm3

02

Apply the rules of significant figures

All of the digits in measurement, including the uncertain last digit, are called significant figures or significant digits.

Note that zero may be a measured value; for example, if you stand on a scale that shows weight to the nearest pound and it shows "120," then the 1 (hundreds), 2 (tens) and 0 (ones) are all significant (measured) values.

So, rounding off to 4 significant figures, the density will be 1.034 g/cm3

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