Question

15). The density of mercury is 13.6 g/mL.what is the mass of 8.20 mL of mercury? 11.529b. what volume would 120 grams of mercury occupy?a.

Answer 1

Recall the following:

`\text{Density}=\frac{\text{Mass}}{\text{Volume}}\text{.}`

Solving the above equation for Mass and Volume, we get:

`\begin{gathered} Volume=\frac{\text{Mass}}{\text{Density}}, \\ \text{Mass}=\text{Density}\cdot\text{Volume.} \end{gathered}`

Therefore, if Density= 13.6 g/mL, and Volume=8.20 mL, then

`\text{Mass}=13.6*8.20\text{ g = 111.52 g.}`

If Mass=120 g, then:

`\text{Volume}=(120)/(13.6)\text{ mL}\approx8.82\text{ mL.}`

Answer:

a) 111.52 g.

b) 8.82 mL.