Question

An alloy of copper and tin has density 7.62g/cm^3 and volume 100cm^3.the densities of copper and tin are 8.9g/cm^3 and 7.3g/cm^3 respectively what mass of each metal are there in the alloy

Answer 1

Answer:

3

Explanation:

Given d=8.966 g/cm

Molar mass of copper =63.5 g/mol

N

A

=6.022×10

23

d=

V×N

A

Z×M

where Z=4 (For FCC)

V=

d×N

A

Z×M

V=

8.966×6.023×10

23

4×63.5

V=4.704×10

−23

cm

3