Is pre ap chemistry hard in high school?

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 moles of gas are present if p=11 atm, v=12l, t=185k?

What is the percentage composition of carbon in the compound ch4