If 20.25 ml of wood alcohol has a mass of 16.04 grams , what is it’s density

0.7921 g/cm³

792.1 kg/m³(SI unit)

Explanation:

First we need to change the units to standard units for easy calculations.

Density is usually measured in kg/m³ or g/cm³.

first we change ml to cm³

1mL = 1cm³

so 20.25 ml =  20.25mL x 1cm³/ 1mL = 20.25 cm³

Density = mass / volume

mass = 16.04 g

volume = 20.25

density=16.04/20.25 = 0.7921 g/cm³

if you want to change to SI unit you multiply by 1000 kg/m³.

0.7921 x 1000 = 792.1 kg/m³

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the answer is d. 74.02