Answer:
3 g/mL
Explanation:
The density of a substance can be found by using the formula
[tex]density = \frac{mass}{volume}\\[/tex]
From the question we have
volume = final volume of water - initial volume of water
volume = 45 - 30 = 15 ml
We have
[tex]density = \frac{45}{15} = 3 \\ [/tex]
We have the final answer as
3 g/mL
Hope this helps you
