How many famous rubies are in fact spindles, which look like rubies but are far less valuable. Spindles consist primarily of MGAL204, whereas Rubys are primarily AL203. If the Timmer Ruby, a 361 carat spinner, were pure MGAL204 how many moles of MGAL204 what it contain? There are exactly 5 carats per gram

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule