The density of copper is 8.92 g/cm cubed A.what is the mass of 25.0 cm cubed of copper B.what is the volume of 454 g of copper

Question

its 2 questions from my chemistry I spent so long trying to figure out and do the work and is still confused please help and can you provide the work bc idk how to set it up

Answer 1

mass = density * volume ... 8.92 gm/cm^3*25cm^3=223 gm

volume = mass/density ... 454 gm / 8.92 gm/cm^3 = 50.89 cm^3

Answer 2

Density is defined as mass/volume or D = M/V

A. D = 8.92 gm/cm³, V = 25.0 cm³

and M = D x V

Therefore, M = 8.92 gm/cm³ x 25 cm³ = 223 gm (the cm³ cancel out)

B. V = M/D

Therefore V = 454 gm / 8.92 gm/cm³ = 50.9 cm³ (the gm cancel out)

Answer 3

Density of 8.92 g/cm³ simply means that each cm³ will weigh 8.92 g. To solve the problem, simply use dimensional analysis.

25 cm³ x 8.92 g/cm³ = 223 g

454 g x 1 cm³/8,92 g = 50.9 cm³