Question

calculate the mass of a piece of gold with a volume of 1.80cm^3 and a density of 19.3g/cm^3 in kilogram

Answer 1

$$\begin{gathered} \text{As we know ,} \\ \text{Density =}\frac{\text{Mass}}{\text{Volume}} \\ {\text{given , volume = 1.80 cm}}^{\text{3}}{\text{, density = 19.3 g /cm}}^{\text{3}} \\ \text{Mass}=\mathrm{De}\mathrm{nsity}\times \text{Volume} \\ \text{Mass =19.3× 1.80} \\ \text{= 34.75 g = 0.03475 kg} \end{gathered}$$