A 14 carat gold bracelet is made from a mixture of metals. The table below shows the mass of different metals in the bracelet.
Table 1
| Metal | Mass of metal (g) |
|---|---|
| Gold | 7.0 |
| Silver | 3.5 |
| Copper | 1.5 |
The total mass of the bracelet is 12.0 g.
Bracelets can also be made from 18 carat gold. The ratio of the mass of gold in 18 carat gold compared to 14 carat gold is 18:1418 : 1418:14.
Calculate the mass of gold in an 18 carat gold bracelet of mass 12.0 g.