试题与答案

盐酸、醋酸和碳酸氢钠是生活中常见的物质。下列表述正确的是[ ] A.在NaHCO

题型:选择题

题目:

盐酸、醋酸和碳酸氢钠是生活中常见的物质。下列表述正确的是[ ]

A.在NaHCO3溶液中加入与其等物质的量的NaOH,溶液中的阴离子只有CO32-和OH-

B.NaHCO3溶液中:c(H+)+c(H2CO3)=c(OH-)

C.10 mL0.10mol·L-1CH3COOH溶液加入等物质的量的NaOH后,溶液中离子的浓度由大到小的顺序是:

c(Na+)>c(CH3COO-)>c(OH-)>c(H+)

D.中和体积与pH都相同的HCl溶液和CH3COOH溶液所消耗的NaOH物质的量相同

答案:

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参考答案:A

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