Dichloroacetic acid ($\mathrm{CHCl_2COOH}$) is oxidised to $\mathrm{CO_2}$, $\mathrm{H_2O}$ and $\mathrm{Cl_2}$ by $600\,\text{m eq}$ of an oxidising agent. Same amount of acid can neutralize how many moles of ammonia to form ammonium dichloroacetate?