Question

The density of iron is 7.87
g/mL
. What is the mass of a 2.00
cm
×
4.00
cm ×
1.00
cm
block of iron?

Answer 1

mass=6.00 cm ?

Answer 2

@Vocaloid

Answer 3

@dude

Answer 4

@Hero

Answer 5

Best Answer: Volume of the block of iron
= (2.00 × 4.00 × 1.00) cm³

Density of the block
= 7.87 g/ml
= 7.87 g/cm³

Mass of the iron block
= Volume × Density
= [(2.00 × 4.00 × 1.00) cm³] × (7.87 g/cm³)
= 63.0 g (to 3 sig. fig.)