0.05mol/LSnCl<sub>2</sub>溶液10mL与0.10mol/LFeCl<sub>3</sub>溶液20mL相混合,平衡时体系的电位是()<img src="https://nimg.ppkao.com/2019-04/wangjing/2019042716401496937.jpg?sign=1d280f3cebeb668476afaa69fa86a1b2&t=62d5b395" />
A、0.14V
B、0.32V
C、0.50V
D、0.68V
A、0.14V
B、0.32V
C、0.50V
D、0.68V
A、0.15mol·L-1的HAc-0.05mol·L-1的NaAc B、0.02mol·L-1的HAc-0.18mol·L-1的NaAc C、0.18mol·L-1的NH<sub>3sub>·H<sub>2sub>O-0.02mol·L-1的NH<sub>4sub>Cl D、0.05mol·L-1的NH<sub>3sub>·H<sub>2sub>O-0.05mol·L-1的NH<sub>4sub>Cl
A、0.10 mol.L-1NH<sub>3sub>水0.1升 B、0.10 mol.L-1NH<sub>4sub>Cl水0.1升 C、0.10 mol.L-1NH<sub>3sub>水0.5升与0.10 mol.L-1 NH<sub>4sub>Cl水0.05升 的混合液 D、0.20 mol.L-1NH<sub>3sub>水0.5升与0.20 mol.L-1 NH<sub>4sub>Cl水0.05升 的混合液
A、pH=10.0,[NH<sub>3sub>]=0.02mol/L B、pH=10.0,[NH<sub>3sub>]=0.05mol/L C、pH=10.0,[NH<sub>3sub>]=0.1mol/L D、pH=10.0,[NH<sub>3sub>]=0.2mol/L
A、pH=9.0,[NH<sub>3sub>]=0.01mol/L B、pH=10.0,[NH<sub>3sub>]=0.01mol/L C、pH=9.0,[NH<sub>3sub>]=0.05mol/L D、pH=10.0,[NH<sub>3sub>]=0.15mol/L
A、S<sub>0sub>>S<sub>1sub>>S<sub>2sub>>S<sub>3sub> B、S<sub>0sub>>S<sub>2sub>>S<sub>1sub>>S<sub>3sub> C、S<sub>0sub>>S<sub>1sub>=S<sub>2sub>>S<sub>3sub> D、S<sub>0sub>>S<sub>2sub>>S<sub>3sub>>S<sub>1sub>
A、F<sub>0.05,10,20sub> = 1/F<sub>0.95,10,20sub> B、F<sub>0.05,10,20sub> = 1/F<sub>0.05,20,10sub> C、F<sub>0.95,10,20sub> = 1/F<sub>0.95,20,10sub> D、F<sub>0.95,10,20sub> = 1/F<sub>0.05,20,10sub>
A、A0.05M<sub>2sub> B、A0.025M10.025M<sub>2sub> C、A0.05M<sub>1sub>0.05M<sub>2sub> D、A0.025M<sub>2sub>