Asolution of ammonia has a ph of 11.8. what is the concentration of oh– ions in the solution? useful formulas include , , , and . 1.58 10–12 m 6.31 10–3 m 2.20 m 158 m

What is the ph of a solution with a concentration of 5.2 × 10–8 m h3o+?

Which of the following statements about acidic water is true? a. acid has no effect on the h, o molecules. b. the solution contains a larger number of oh ions than h, o ions. c. the solution contains a larger number of h, o ions than qh ions. d. the solution contains an equal number of h, o ions and oh ions. none of the above e.

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.