A.KOH吸收CO2所得到的溶液中:c(H2CO3)>c() |
B.KOH完全转化为K2CO3时,溶液中:c(OH-)= c(H+)+c()+c(H2CO3) |
C.KOH溶液吸收CO2,c总=0.1mol∙L-1溶液中:c(H2CO3)>c() |
D.如图所示的“吸收”“转化”过程中,溶液的温度下降 |
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