A sample of 1.5 grams of unknown alkali metal carbonate that was dissolved in H2O, and 31.10mL of 0.350M CaCl2 was needed to precipitate all the carbonate ions as CaCO3.can you find out the name and formula of the unknown compound.
An element that is crystallized in a face-centered cubic lattice. If the density of the element = 19.3 g/cm3, the length(l) of an edge of the unit cell = 0.408 nm, determine the identity of the element?