In the laboratory, a student dilutes 22.1 mL of a 9.24 M hydroiodic acid solution to a total volume of 250.0 mL. What is the concentration of the diluted solution?

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

What is true for a substance that releases energy