已知H2S两级电离常数分别为K1=1.3×10—7,K2=7.1×10—15;CH3COOH的电离常数K=1.75×10—5,试根据上述数据,判断下列化学反应方程式正确的是
A.Na2S+2CH3COOH(足量)=2CH3COONa+H2S↑ |
B.Na2S+2CH3COOH(少量)=2CH3COONa+H2S↑ |
C.Na2S(少量)+CH3COOH=CH3COONa+NaHS |
D.CH3COOH+NaHS=CH3COONa+H2S↑ |
已知H2S两级电离常数分别为K1=1.3×10—7,K2=7.1×10—15;CH3COOH的电离常数K=1.75×10—5,试根据上述数据,判断下列化学反应方程式正确的是
A.Na2S+2CH3COOH(足量)=2CH3COONa+H2S↑ |
B.Na2S+2CH3COOH(少量)=2CH3COONa+H2S↑ |
C.Na2S(少量)+CH3COOH=CH3COONa+NaHS |
D.CH3COOH+NaHS=CH3COONa+H2S↑ |
试题篮
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