What is the freezing point of a .743 m aqueous solution of kcl

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

Why are people not able to scuba dive in the deep part of the ocean

Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?