一、溶液的酸碱性.
1.溶液的酸碱性与[H+]和[OH-]的关系.
一般规律
25℃(常温情况下)
中性溶液
酸性溶液
碱性溶液
[H+] = [OH-]
[H+] = [OH-] = 10-7mol/L
[H+] > [OH-]
[H+] > 10-7mol/L
[OH-] < 10-7mol/L
[H+] < [OH-]
[H+] < 10-7mol/L
[OH-] > 10-7mol/L