If 18.5 grams of iron (111) sulfate are actually made when I do this reaction, what is my percent yield?

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?