A、NH<sub>3sub>的K<sub>bsub>太小 B、(NH<sub>4sub>)<sub>2sub>SO<sub>4sub>不是酸 C、(NH<sub>4sub>)<sub>2sub>SO<sub>4sub>中不含游离H<sub>2sub>SO<sub>4sub> D、NH4+的K<sub>asub>太小
A、NH<sub>3sub>的K<sub>bsub>太小 B、(NH<sub>4sub>)<sub>2sub>SO<sub>4sub>不是酸 C、(NH<sub>4sub>)<sub>2sub>SO<sub>4sub>中不含游离H<sub>2sub>SO<sub>4sub> D、NH4+的K<sub>asub>太小
A、NaOH B、浓NH<sub>3sub>·H<sub>2sub>O C、NH<sub>4sub>Cl+NH<sub>3sub> D、稀NH<sub>3sub>·H<sub>2sub>O
A、CH<sub>3sub>NH<sub>2sub>〉NH<sub>3sub>〉C<sub>6sub>H<sub>5sub>NHCH<sub>3sub> B、CH<sub>3sub>NH<sub>2sub>〉C<sub>6sub>H<sub>5sub>NHCH<sub>3sub>〉NH<sub>3sub> C、C<sub>6sub>H<sub>5sub>NHCH<sub>3sub>〉NH<sub>3sub>〉CH<sub>3sub>NH<sub>2sub> D、NH<sub>3sub>〉CH<sub>3sub>NH<sub>2sub>〉C<sub>6sub>H<sub>5sub>NHCH<sub>3sub>
A、[NH<sub>3sub>]=0.20mol/L B、[NH<sub>3sub>]+[Ag(NH<sub>3sub>)+]+[Ag(NH<sub>3sub>)<sub>2sub>+]=0.20mol/L C、[NH<sub>3sub>]+[Ag(NH<sub>3sub>)+]+2[Ag(NH<sub>3sub>)<sub>2sub>+]=0.20mol/L D、[NH<sub>3sub>]+[Ag(NH<sub>3sub>)+]+2[Ag(NH<sub>3sub>)<sub>2sub>+]+[NH<sub>4sub>+]=0.20mol/L
A、(NH<sub>4sub>)<sub>3sub>PO<sub>4sub> B、(NH<sub>4sub>)<sub>2sub>HPO<sub>4sub> C、NH<sub>4sub>H<sub>2sub>PO<sub>4sub>
A、KMnO<sub>4sub>法测定H<sub>2sub>O<sub>2sub> B、溴酸盐法测定苯酚 C、间接碘量法测定Cu2+ D、用已知准确浓度的Na<sub>2sub>S<sub>2sub>O<sub>3sub>溶液标定I<sub>2sub>
A、T<sub>1sub>>T<sub>1sub>>T<sub>3sub> B、T<sub>2sub>>T<sub>3sub>>T<sub>1 sub> C、T<sub>3sub>>T<sub>1sub>>T<sub>2sub> D、T<sub>2sub>>T<sub>1sub>>T<sub>3sub>