A.向AlCl3溶液中滴加Na2CO3溶液:2Al3++3=Al2(CO3)3↓ |
B.在水中的水解方程式: |
C.已知:H2CO3:Ka1=4.5×10-7,Ka2=4.7×10-11,HClO:Ka=4.0×10-8,向NaClO溶液中通入少量CO2的化学方程式为:2NaClO+CO2+H2O=2HClO+Na2CO3 |
D.在水中的电离方程式: |
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