Why are the units used to express the densities of gases different from those used to express the densities of solids or liquids

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

Which suspect most likely committed the robbery and how do you know

What is the molecular formula of ferrous nitrate and ferric nitrate