Respuesta :

Answer:

[tex] \boxed{\sf Density \ of \ unknown \ substance = 0.79 \ g/cm^3} [/tex]

Given:

Mass = 15.8 g

Volume = 20 cm³

To Find:

Density of unknown substance

Explanation:

Formula:

[tex] \boxed{ \bold{Density = \frac{Mass}{Volume}}}[/tex]

Substituting value of mass & volume in the formula:

[tex] \sf \implies Density = \frac{15.8}{20} \\ \\ \sf \implies Density = 0.79 \: g/cm^3 [/tex]