Which of these statements is true regarding a 0.1M solution of a weak acid HA?
A: The pH is 1.00.
B: [H+]< [OH-]
C: [H+]= [OH-]
D: The pH is more than 1.00.
A: The pH is 1.00.
B: [H+]< [OH-]
C: [H+]= [OH-]
D: The pH is more than 1.00.
举一反三
- Which of these statements is true regarding a 0.1M solution of a strong acid HA? A: The pH is 0.00. B: [H+]< [OH-] C: [H+]= [OH-] D: The pH is 1.00.
- H2O的共轭碱是() A: OH- B: H+ C: H3O + D: -OH
- 某溶液的pH值为2，说明该溶液（）. A: H+浓度小于OH-浓度 B: 【H+】=0.01M C: 溶液中无OH- D: 【H+】=100M
- 酸性溶液中（ ）。 A: 只存在H+ B: pH≤7 C: c(H+)＜c(OH-) D: c(H+)＞10-7mol/L
- 关于碱性溶液.下列叙述正确的是 ( )。 A: 只有氢氧根离子存在 B: [OH-] <10-7 mol/L C: [OH-]>[H+] D: pH≤7