How many moles are there in 45.0 grams of sulfuric acid,
H2SO4?

Which of the following is not a true statement about dwarf planets? a the kuiper belt contains comets, asteroids, and dwarf planets. b ceres is a dwarf planet located in the kuiper belt. c the largest known dwarf planet in the solar system is named eris.

Which other elements contain the same number of outer electrons as sodium

Ineed ! i have no clue how to do this problem.