A 10.02 gram sample of chromium is heated in the presence of excess sulfur. A metal sulfide is formed with a mass of 16.19 Determine the empirical formula of the metal sulfide. Empirical formula=

Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende

If a solution contains 3 moles/liter of sodium chloride (nacl, made of sodium ions and chloride ions), what is the osmolarity of this solution

Salt in oceans comes from and of rocks