In a redox reaction, what happens to a substance’s charge when it is oxidized?

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.

How many atoms or molecules are there in a mole of a substance?

Can anyone answer these questions? ? i need it before 1: 00pm today