When additional base is added, the precipitate dissolves. The reactions can then be reversed with the addition of hydrochloric acid. The precipitate will reappear and then redissolve. Turn on stir ...

This is called an equilibrium and is present in water and ... Adding water to an acid or base will change its pH. Water is mostly water molecules so adding water to an acid or base reduces the ...

Dilute solutions of Fe(NCS)2+ have their equilibrium positions shifted with the addition of Fe(NO3)3, KSCN, NaOH, and AgNO3. The ferric thiocyanate solution is blood red in color, and the intensity of ...