A substance has a density of 2.5 g/cm³. What is the mass of 8 cm³ of this substance?
Answer
20 grams
How to solve it
1
Density: 2.5 g/cm³
2
Volume: 8 cm³
3
Mass = density × volume = 2.5 × 8 = 20 g
Hints
Formula: mass = density × volume
Multiply 2.5 by 8