Question

If a sample has a mass of 299.8 g and a volume of 74.2 mL what is it’s density in the correct number of significant figures?

Answer 1

Density is calculated using the following equation:

$p=\frac{m}{v}$

where m is the mass and v is the volume.

p = 299.8 g/74.2mL

p = 4.040431267 g/mL

The number of significant figures in this amount of density is 10 if you do not round off.

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