How many milliliters of pure acid must be added to 150 milliliters of a 40% solution of acid to obtain a 60% solution

Substance x has a fixed volume, and the attraction between its particles is strong .substance y had widely spread out particles and can be compressed what can most likely be concluded about these substances

What is i fracture in the crust called when land move up, down or sideways

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