When an acid reacts with a base what compounds are formed

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

What is the independent variable in this investigation? mass volume sample number substance density

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?