Na2S 溶液的质子条件式为 A: c(H+ )+ c(HS- ) + 2 c(H2S) = c(OH- ) B: c(H+ )+c(Na+ ) = c(HS - )+2 c(S2- ) + c(OH- ) C: c(H+ )+ c(H2S) = c(HS - ) +2 c(S2- )+ c(OH- ) D: c(H+ )+ c(HS- ) + c(H2 S) = c(OH- )
Na2S 溶液的质子条件式为 A: c(H+ )+ c(HS- ) + 2 c(H2S) = c(OH- ) B: c(H+ )+c(Na+ ) = c(HS - )+2 c(S2- ) + c(OH- ) C: c(H+ )+ c(H2S) = c(HS - ) +2 c(S2- )+ c(OH- ) D: c(H+ )+ c(HS- ) + c(H2 S) = c(OH- )
符号Kb(HS-)是下列哪个反应的质子转移平衡常数? A: HS- + OH- = S2- + H2O B: HS- +H2O = S2- +H3O+ C: HS- + H2O = H2S + OH- D: HS- + H3O+ = H2S + H2O
符号Kb(HS-)是下列哪个反应的质子转移平衡常数? A: HS- + OH- = S2- + H2O B: HS- +H2O = S2- +H3O+ C: HS- + H2O = H2S + OH- D: HS- + H3O+ = H2S + H2O
【单选题】符号Kb(HS-)是下列哪个反应的质子转移平衡常数? A. HS- + OH- = S2- + H2O B. HS- +H2O = S2- +H3O+ C. HS- + H2O = H2S + OH- D. HS- + H3O+ = H2S + H2O
【单选题】符号Kb(HS-)是下列哪个反应的质子转移平衡常数? A. HS- + OH- = S2- + H2O B. HS- +H2O = S2- +H3O+ C. HS- + H2O = H2S + OH- D. HS- + H3O+ = H2S + H2O
从一个栈顶指针为HS的链栈中删除一个结点时,用x保存被删结点的值,则执行__ __。(不带空的头结点)? x=HS—>data; HS= HS—>next;|HS= HS—>next; x=HS—>data;;|x=HS;; HS= HS—>next;;|x=HS—>data;
从一个栈顶指针为HS的链栈中删除一个结点时,用x保存被删结点的值,则执行__ __。(不带空的头结点)? x=HS—>data; HS= HS—>next;|HS= HS—>next; x=HS—>data;;|x=HS;; HS= HS—>next;;|x=HS—>data;
Na2S水溶液中的质子条件式是 A: [H+]+2[H2S]+[HS-]=[OH-] B: [H+]+2[H2S]=[HS-]+[OH-] C: [H+]+[H2S]+[HS-]=[OH-]+[Na+] D: [H+]+[H2S]=2[S22-]+[HS-]+[OH-]
Na2S水溶液中的质子条件式是 A: [H+]+2[H2S]+[HS-]=[OH-] B: [H+]+2[H2S]=[HS-]+[OH-] C: [H+]+[H2S]+[HS-]=[OH-]+[Na+] D: [H+]+[H2S]=2[S22-]+[HS-]+[OH-]
在Na2S溶液中,其质子等衡式是 A: [OH-]=2[H2S]+[HS-]+[H+] B: [H+]=2[H2S]+[HS-]-[OH-] C: [H+]=[OH-]+[HS-]-2[H2S] D: [H+]=[OH-]-[HS-]-2[H2S]
在Na2S溶液中,其质子等衡式是 A: [OH-]=2[H2S]+[HS-]+[H+] B: [H+]=2[H2S]+[HS-]-[OH-] C: [H+]=[OH-]+[HS-]-2[H2S] D: [H+]=[OH-]-[HS-]-2[H2S]
反应HS-+H2O⇔H2S+OH-中,强酸和弱碱分别是()。 A: HS和OH B: HS和HS C: HO和HS D: HS和HO
反应HS-+H2O⇔H2S+OH-中,强酸和弱碱分别是()。 A: HS和OH B: HS和HS C: HO和HS D: HS和HO
对于反应HS-+H2O=H2S+OH-,其中强酸和弱碱分别是(). A: HS和OH B: HS和HS C: HO和HS D: HS和HO
对于反应HS-+H2O=H2S+OH-,其中强酸和弱碱分别是(). A: HS和OH B: HS和HS C: HO和HS D: HS和HO
H3O+、H2S的共轭碱分别是 A: OH-,S2- B: H2O,HS- C: H2O,S2- D: OH-,,HS-
H3O+、H2S的共轭碱分别是 A: OH-,S2- B: H2O,HS- C: H2O,S2- D: OH-,,HS-
H3O+、H2S的共轭碱分别是 A: OH-,S2- B: H2O,HS- C: H2O,S2- D: OH-,,HS-
H3O+、H2S的共轭碱分别是 A: OH-,S2- B: H2O,HS- C: H2O,S2- D: OH-,,HS-