Briefly explain why it is important for a science teacher to know how to prepare stock solution​

What does the mass of 0.7891 mol of ferric oxide (fe2o3)

Which fact represents evidence for the big bang theory?

Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)