Answer:
The answer is 1.25 g/mL
Step-by-step explanation:
The density of a substance can be found by using the formula

From the question
mass = 3.75 g
volume = final volume of water - initial volume of water
volume = 28 - 25 = 3 mL
We have

We have the final answer as
1.25 g/mL
Hope this helps you