Which is a characteristic of nuclear fission

Concerning the 10.0 ml of 0.50 m nacl to 100 ml of solution: when a solution is diluted, does it change the number of moles dissolved?

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.