If a compound has a molecular weight of 318.31 g/mol, and its empirical formula is C10H7O2, find its molecular formula.

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

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.

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