Add 25 ml of [co(h2o)6] 2 to an empty erlenmeyer flask. now add 12 m hcl in 1 ml increments until the equilibrium color has changed. ( hint: type in 1 for the volume to be transferred, and then keep clicking pour until you see a change, counting clicks to determine total volume added. ) 2. predict the effect of removing chloride ions. now remove some of the free chloride ions by adding some silver nitrate (hint: add 1 ml amounts of the silver nitrate successively until the equilibrium has been shifted instead of a whole bunch at once)