下列溶液中各微粒的浓度关系正确的是 A.等PH的氨水、KOH溶液、Ba(OH)2溶液中:c(NH4,+)=c(K+)=c(Ba2+)B.0.1mol/LPH=9的NaNO2溶液中:c(Na+)﹥c(NO2,-)﹥c(OH-)﹥c((H+)C.向NH4HCO3溶液中滴加NaOH溶液至PH=7:c((N
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![下列溶液中各微粒的浓度关系正确的是 A.等PH的氨水、KOH溶液、Ba(OH)2溶液中:c(NH4,+)=c(K+)=c(Ba2+)B.0.1mol/LPH=9的NaNO2溶液中:c(Na+)﹥c(NO2,-)﹥c(OH-)﹥c((H+)C.向NH4HCO3溶液中滴加NaOH溶液至PH=7:c((N](/uploads/image/z/3394111-31-1.jpg?t=%E4%B8%8B%E5%88%97%E6%BA%B6%E6%B6%B2%E4%B8%AD%E5%90%84%E5%BE%AE%E7%B2%92%E7%9A%84%E6%B5%93%E5%BA%A6%E5%85%B3%E7%B3%BB%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AF+A.%E7%AD%89PH%E7%9A%84%E6%B0%A8%E6%B0%B4%E3%80%81KOH%E6%BA%B6%E6%B6%B2%E3%80%81Ba%28OH%EF%BC%892%E6%BA%B6%E6%B6%B2%E4%B8%AD%EF%BC%9Ac%28NH4%2C%2B%29%3Dc%28K%2B%29%3Dc%28Ba2%2B%EF%BC%89B.0.1mol%2FLPH%3D9%E7%9A%84NaNO2%E6%BA%B6%E6%B6%B2%E4%B8%AD%EF%BC%9Ac%28Na%2B%29%EF%B9%A5c%28NO2%2C-%EF%BC%89%EF%B9%A5c%28OH-%29%EF%B9%A5c%28%28H%2B%29C.%E5%90%91NH4HCO3%E6%BA%B6%E6%B6%B2%E4%B8%AD%E6%BB%B4%E5%8A%A0NaOH%E6%BA%B6%E6%B6%B2%E8%87%B3PH%3D7%EF%BC%9Ac%28%28N)
下列溶液中各微粒的浓度关系正确的是 A.等PH的氨水、KOH溶液、Ba(OH)2溶液中:c(NH4,+)=c(K+)=c(Ba2+)B.0.1mol/LPH=9的NaNO2溶液中:c(Na+)﹥c(NO2,-)﹥c(OH-)﹥c((H+)C.向NH4HCO3溶液中滴加NaOH溶液至PH=7:c((N
下列溶液中各微粒的浓度关系正确的是 A.等PH的氨水、KOH溶液、Ba(OH)2溶液中:c(NH4,+)=c(K+)=c(Ba2+)
B.0.1mol/LPH=9的NaNO2溶液中:c(Na+)﹥c(NO2,-)﹥c(OH-)﹥c((H+)
C.向NH4HCO3溶液中滴加NaOH溶液至PH=7:c((NH4,+)+c(Na+)=c(HCO3,-)+2c(CO3,2-)
D.将10mL0.1mol/LNa2CO3溶液逐滴滴加到10mL0.1mol/L盐酸中:c(Na+)﹥c(Cl-)﹥c(HCO3,-)﹥c(CO3,2-)
下列溶液中各微粒的浓度关系正确的是 A.等PH的氨水、KOH溶液、Ba(OH)2溶液中:c(NH4,+)=c(K+)=c(Ba2+)B.0.1mol/LPH=9的NaNO2溶液中:c(Na+)﹥c(NO2,-)﹥c(OH-)﹥c((H+)C.向NH4HCO3溶液中滴加NaOH溶液至PH=7:c((N
A是错误的,PH相等表明OH-浓度相等2X(k+)=C(Ba)
DNa Cl均属于请电介质,没有离解问题,浓度应该相等
C是正确的PH=7时氢氧根和氢离子浓度相等,根据溶液电中性的原理阳离子浓度和和阴离子浓度和(乘上电荷数)应该是相等的
B没搞懂感觉也应该是对的亚硝酸不完全电离内发现大问题
该回炉了 好多东西都记不清了