HELP!!!!! I need to know how to figure these problems out, while showing all work so I can follow the steps....thanks for the help!!!!!!! 1. how many grams of Mg(OH)2 (2 is a subscript) will be needed to neutralize 25ml of stomach acid if stomach acid is 0.10 M HCl? 2. How many ml of a 0.10 NaOH solution are needed to neutralize 15ml of 0.20 M H3PO4 (subscripts) solution???