posted by q .
A sample of silver chromate (Ag2CrO4) has a mass of 29.0 g.
(a) How many Ag+ ions are present?
(b)What is the mass in grams of one formula unit of silver chromate?
(c) How many CrO42- ions are present?
Post your work or tell us what you don't understand (in detail). I'll be happy to check your answers.