A sample of 0.3207 g of an ionic compound containing the bromide ion (Br) is dissolved in water and treated with an excess of AgNO3. If the mass of the AgBr precipitate that forms is 0.6977 g, what is the
percent by mass of Br in the original compound?

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action