Answer - 13.098 gm
Description -
Dear student,
As we know
![Density= (Mass)/(Volume)](https://img.qammunity.org/2019/formulas/mathematics/high-school/5pvcaiyyrgtuey5bnm8ar9ocdkseo02t0q.png)
⇒ Mass = Density * Volume
so multiplying given Volume with the Density of gold ,we can calculate the mass of the gold . Density of gold at room temp. is 19.32 grams per cubic centimeter.
so mass of the sliver of gold = 19.32 * 0.678 = 13.098 (ans)