What is the percentage composition of each element present in each of the following compounds? Show each step in smooth form in the appropriate column.
NaCl... Na and CI

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

Identify the electromagnets with poles that are reversed from the electromagnet shown above

Rays from the sun are not considered matter true or false