I believe it's C! (: Oysters!
Good luck, rockstar! I hope all is well, and you pass. (:
Answer:
If there is no subscript, it means there is only one atom of that element in the formula. Multiply the number of atoms of an element by its atomic mass. Do this for all the atoms and add the values together to get the number of grams per mole. This is your conversion factor.
Explanation:
