I believe it is a solution but I am not Shure
Answer:
what should i do? tell you how long its gonna dissolve for or something?
Explanation:
Is a solid because liquids are not is not that close and gas is very far apart.
Uranium-238 - 4.46 billion years
Uranium-235 - 704 million years
The equation to calculate Density is Mass / Volume. You are given that the density is 5.45 and the mass is 65; 5.45 = 65 / v. So v = 65 / 5.45; v = 11.93 mL (or if you want your answer to consider significant figures, v = 12 mL).