Complete the balanced equation for the precipitation reaction of aluminium chloride with sodium hydroxide by writing the correct number in front of NaOH\text{NaOH}NaOH.
AlCl3(aq)+.....NaOH(aq)→Al(OH)3(s)+3NaCl(aq) \text{AlCl}_3\text{(aq)} + \text{.....NaOH(aq)} \rightarrow \text{Al(OH)}_3\text{(s)} + 3\text{NaCl(aq)} AlCl3(aq)+.....NaOH(aq)→Al(OH)3(s)+3NaCl(aq)