An organic compound is found to contain 92.25 % carbon and 7.75 % hydrogen. If the molecular mass is 78 g/mol, what are its empirical and molecular formulas?

What happens to the concentration of hydronium ions as the ph of a solution increases? a. hydronium ion concentration stays the same b. hydronium ion concentration decreases c. hydronium ion concentration increases

The energy that powers a hurricane is derived from

Scientist think that animals with remarkably similar embryo development probably shared a common ancestor