What is the molarity of a kcl solution made by diluting 75.0 ml of a 0.200 m solution to a final volume of 100. ml?

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

Which statement can best be concluded from the ideal gas law?

The number at the end of an isotope’s name is the number.