Question

he density of iron is 7.8 g/cm3, what is the mass of 5 cm3 of it in grams?

Answer 1

Answer:

this is the answer for this question

Answer 2

Answer: The mass of iron is $39 g$.

Explanation:

As density of a substance is defined as its mass per unit volume. The density of a material is a measurement of how closely it is packed.

$d = \frac{m}{V}$

where d is the density, m is the mass of substance and V is the volume.

Now density of iron $= 7.8 g / cm^{3}$

Volume  $= 5 cm^{3}$

To calculate the mass of iron;

$m = d * V$

Mass of iron $= 7.8 g/ cm^{3} * 5 cm^{3} = 39 g$

Therefore mass of iron in grams is $39$.

#SPJ2