Calculate the moles of Fe in 5.22x10^22 atoms of Fe. ​

In which situation can a mixture always be called a solution

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory

In the diagram here that represents the reaction, which reactant, a or b, is the limiting reagent?