Ibuprofen, a common headache remedy, which has an empirical formula of C, H,O and a molar mass of approximately 216 g/mol. What is the molecular formula for ibuprofen?

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?