7.21 x 10^25 mol of so3 = how many atoms of oxygen (please explain how you got the answer cause im very confused)

It is important to wear proper protective equipment in lab even when not actively performing experiments because accidents can affect any researcher, even one not working on an experiment. select the best answer from the choices provided

Which of the following is the correct formula for copper (i) sulfate trihydrate? cuso4 · 3h2o cuso4(h2o)3 cu2so4(h2o)3 cu2so4 · 3h2o

How might this scientific phenomena be explained? a paper clip floats on water.