Calcium monohydrogen phosphate CaHPO4 has limited solubility. We prepare a saturated solution of calcium monohydrogen phosphate, with precipitate left at the bottom. What happens when... - We add few drops of concentrated hydrochloric acid, the solution (1/2/3) therefore (4/5/6) - We add few drops of concentrated sodium hydroxide, the solution (1/2/3) therefore (4/5/6) - We add an unsaturated solution of calcium monohydrogen phosphate, the solution (1/2/3) therefore (4/5/6) Possible answers: 1: becomes momentarily unsaturated 2: becomes momentarily supersaturated 3: does not change 4: more precipitate forms 5: more precipitate dissolves 6: nothing happens