16. what is the density of lead if a cube measuring 2 cm per side has a mass of 90.8 g?

The density of lead if cube measuring 2 cm per side has a mass of 90.8 g is 11.35 g/cm^3

Explanation:

Density is equal to mass is divided by volume.

It is given that mass of 90.8 grams

we can find the volume of cube by height multiplied by width multiplied by depth.

Because all sides of cube are of same length.

Volume just ends up being 2^3

(2 cm)^3 = 8 cm ^3

Now plug both of these numbers into density equation

ρ =m/v

=90.8 g / 8 cm ^3

=11.35 g/cm^3

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the child is heterozygous