the method of separation of components of a mixture with the principle of difference in density of subset is what I) evaporation II) sublimation III) Centrifuging III) Crystallization​

What is the number of moles in 15.0 g ash3?

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.