Help this is science I don't know what to write for these 3 help!!

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 electron configuration represents the electrons in an atom of sodium in the ground state at stp

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2