Answer:
2.209g/mL
Step-by-step explanation:
The density of a substance is defined as the ratio between its mass (Generally in grams) and its volume (Generally in mililiters).
The volume dispensed in a buret is: Final volume - Initial volume. In the problem:
45.91mL - 35.00mL = 10.91mL
As the mass of solution dispensed is 24.10g, density is:
24.10g / 10.91mL = 2.209g/mL
I hope it helps!