浓度相等的NaCl、BaCl<sub>2</sub>、<sub>6</sub>H<sub>12</sub>O<sub>6</sub>和CO(NH<sub>2</sub>)<sub>2</sub>四种稀溶液蒸气压相等的是()
A、NaCl和C6H12O6
B、NaCl和BaCl2
C、CO(NH2)2和C6H12O6
D、CO(NH2)2和BaCl2
A、NaCl和C6H12O6
B、NaCl和BaCl2
C、CO(NH2)2和C6H12O6
D、CO(NH2)2和BaCl2
A、BaCl<sub>2sub>AgNO<sub>3sub> B、CuSO<sub>4sub>NaCl C、Na<sub>2sub>CO<sub>3sub>KOH D、CaCl<sub>2sub>K<sub>2sub>CO<sub>3sub>
A、NaOH溶液和CuCl<sub>2sub>溶液 B、NaCl溶液和KNO<sub>3sub>溶液 C、BaCl<sub>2sub>溶液和K<sub>2sub>CO<sub>3sub>溶液 D、NaOH溶液和Fe<sub>2sub>(SO<sub>4sub>)<sub>3sub>溶液
A、Zn+MgCl<sub>2sub>==ZnCl<sub>2sub>+Mg B、2Fe+6HCl==2FeCl<sub>3sub>+2H<sub>2sub>↑ C、2NaCl+CaCO<sub>3sub>==Na<sub>2sub>CO<sub>3sub>+CaCl<sub>2sub> D、2AgNO<sub>3sub>+BaCl<sub>2sub>==2AgCl↓+Ba(NO<sub>3sub>)<sub>2sub>
A、I<sub>1sub>=½I<sub>2sub> B、I<sub>1sub>=I<sub>2sub> C、I<sub>1sub>=4I<sub>2sub> D、I<sub>1sub>=2I<sub>2sub>
A、I<sub>1sub>=½I<sub>2sub> B、I<sub>1sub>=I<sub>2sub> C、I<sub>1sub>=4I<sub>2sub> D、I<sub>1sub>=2I<sub>2sub>