写出下列反应的离子方程式:
A.醋酸除去水垢的反应CaCO3+2CH3COOH=Ca2++2CH3COO-+H2O+CO2↑CaCO3+2CH3COOH=Ca2++2CH3COO-+H2O+CO2↑
B.乙酸溶液与澄清石灰水反应CH3COOH+OH-=H2O+CH3COO-CH3COOH+OH-=H2O+CH3COO-
C.乙酸溶液与氧化铜反应2CH3COOH+CuO=2CH3COO-+Cu2++H2O2CH3COOH+CuO=2CH3COO-+Cu2++H2O
D.乙酸溶液与锌粒反应2CH3COOH+Zn=2CH3COO-+Zn2++H2↑2CH3COOH+Zn=2CH3COO-+Zn2++H2↑.
【答案】CaCO3+2CH3COOH=Ca2++2CH3COO-+H2O+CO2↑;CH3COOH+OH-=H2O+CH3COO-;2CH3COOH+CuO=2CH3COO-+Cu2++H2O;2CH3COOH+Zn=2CH3COO-+Zn2++H2↑
【解答】
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发布:2024/6/27 10:35:59组卷:28引用:1难度:0.5