Question

An alloy is made from a mix of copper and tin.
The density of copper is 8.94 grams percmº.
The density of tin is 7.3 grams percm?.
500 cm3 of the alloy is made from 360 сm of copper with 140 cm of tin.
Work out the density of the alloy to 3 s.f.​

Answer 1

Answer:

Answer

Volume of Cu=10×10×10

−2

=1 cm

3

Density=

Volume

Mass

Mass=8.94 g

Cu

2+

+2e

−

⟶Cu

63.5 g⟶2 mol F

8.94 g⟶

63.5

2

×8.94=0.28 F