
A.该温度下醋酸的电离常数Ka为l0-4.75mol/L |
B.E点所表示的溶液中:c(Na+)+c(H+)+c(CH3COOH)=0.1 mol/L |
C.F点所表示的溶液中:c(CH3COO-)>c(CH3COOH)> c(H+)>c(OH-) |
D.M点溶液中的溶质为CH3COOH和CH3COONa,N溶液中的溶质为CH3COONa |

同类型试题

y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2


y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

