Two popular antacids tablets are Tums and Maalox. The active ingredient in both of these antacids is calcium carbonate, CaCO3. Tums Regular Strength tablets contain 0.747 g and
Maalox tablets contain 0.600 g of calcium carbonate. Compare the number of formula units of
calcium carbonate in both Tums and Maalox.

2-bromo-2-methylbutane undergoes an e1 elimination reaction in the presence of ethanol. in the next reaction only one of the possible products is represented. although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. complete the mechanism and draw the missing substances.