Hey Boy's wan-na ch-at im bor-ed :'p But only if ur 15 or 16

Im kinda looking for a bf but im not asking to get one im just saying :)

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(ii) carbonate, in concentrated sulfuric acid. the sulfuric acid reacts with the copper(ii) carbonate to produce a blue solution of copper(ii) sulfate. scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: (s) (aq) (s) (aq) suppose an industrial quality-control chemist analyzes a sample from a copper processing plant in the following way. he adds powdered iron to a copper(ii) sulfate sample from the plant until no more copper will precipitate. he then washes, dries, and weighs the precipitate, and finds that it has a mass of .

Calculate the mass of 0.750 mol of the following substance. na3po4.