Answer:
The density of helgas sample is 17.8 g/cm³.
Explanation:
Given that,
Mass of sample of Rowena = 5 gram
Density = 8.9 g/cm³
Mass of sample of helga = 10 gram
We need to calculate the volume of sample
Using formula of volume
Where, m = mass
= density
Put the value into the formula
We need to calculate the density of helgas sample
Using formula of density
Where, m = mass
V = volume
Put the value into the formula
Hence, The density of helgas sample is 17.8 g/cm³.