下列有关Na2CO3在水溶液中质子条件的叙述,正确的是( )。A.[H+]+2[Na+]+[HCO3-]=[OH-]B.[H+]+2[H2CO3]+[HCO3-]=[OH-]C.[H+]+[H2CO3]+[HCO3-]=[OH-]D.[H+]+[HCO3-]=[OH-]+2[CO32-]
下列有关Na2CO3在水溶液中质子条件的叙述,正确的是( )。
A.[H+]+2[Na+]+[HCO3-]=[OH-]
B.[H+]+2[H2CO3]+[HCO3-]=[OH-]
C.[H+]+[H2CO3]+[HCO3-]=[OH-]
D.[H+]+[HCO3-]=[OH-]+2[CO32-]
相关考题:
Na2CO3 溶液的电荷平衡式为A.2[Na+] = [CO32-]B.[Na+] = 2[CO32-]C.[H+] + 2[Na+] = [OH-] + [HCO3-] + [CO32-]D.[H+] + [Na+] = [OH-] + [HCO3-] + 2[CO32-]E.[Na+] = [CO32-]F.[H+] + [Na+] = [OH-] + [HCO3-] + [CO32-]
Na2CO3 溶液的电荷平衡式为A.2[Na+] = [CO32-]B.[Na+] = 2[CO32-]C.[H+] + 2[Na+] = [OH-] + [HCO3-] + [CO32-]D.[H+] + [Na+] = [OH-] + [HCO3-] + 2[CO32-]
下列质子条件式写法正确的是A.Na2CO3水溶液:[H+] + [HCO3-] + 2[H2CO3] = [OH-]B.Na2HPO4水溶液:[H+] +[H2PO4-] + 2[H3PO4] = [PO43-] + [OH-]C.NH4HCO3水溶液:[NH3]+[HCO3-]+[OH-] = [H2CO3]+[H+]D.NaAc水溶液:[HAc]+[H+] = [OH-]
2、Na2CO3 溶液的电荷平衡式为A.2[Na+] = [CO32-]B.[Na+] = 2[CO32-]C.[H+] + 2[Na+] = [OH-] + [HCO3-] + [CO32-]D.[H+] + [Na+] = [OH-] + [HCO3-] + 2[CO32-]
在下述Na2S溶液的质子条件式中,正确的是A.[H+]+[Na+]=[HS-]+2[S2-]+[OHB.[H+]+[H2S]= [HS-]+2[S2-]+[OH-]C.[H+]+[H2S]+[HS-]=[OH-]D.[H+]+2[H2S]+[HS-]=[OH-]
Na2S水溶液中的质子条件式是A.[H+]+2[H2S]+[HS-]=[OH-]B.[H+]+2[H2S]=[HS-]+[OH-]C.[H+]+[H2S]+[HS-]=[OH-]+[Na+]D.[H+]+[H2S]=2[S22-]+[HS-]+[OH-]