A.25℃时,NH4Cl溶液的KW大于100℃时NH4Cl溶液的KW |
B.25℃时,向10mL pH=3的醋酸溶液中加入水稀释后,溶液中不变 |
C.25℃时,pH=12的氨水和pH=2的盐酸溶液等体积混合,c(Cl-)>c(NH4+)>c(H+)>c(OH-) |
D.100℃时,将pH=2的盐酸与pH=12的NaOH溶液等体积混合,溶液显中性 |
A.1x10-3 | B.0.1 | C.1x10-7 | D.1x10-11 |
A.Na HSO4 | B.Al3+ | C.CO32- | D.K+ |
A.1×10-13mol/L | B.1×10-3mol/L |
C.1×10-7mol/L | D.1×10-11mol/L |
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