At a given temperature and pressure, it takes 7.25 min for a 10.0-L sample of argon to effuse through a membrane. How long will it take for a 10.0-L sample of helium to effuse under the same conditions

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.