Va L pH=2的盐酸与VbL pH=12的氨水混合,若所得溶液显酸性，下列有关判断正确的是
（ ）
| A．Va一定等于 Vb |
| B．Va大于或等于 Vb |
| C．混合溶液中离子浓度一定满足： c（Cl－） > c（NH4+）> c（H＋）> c（OH－） |
| D．混合溶液中离子浓度一定满足： c（NH4+） + c（H＋） = c（Cl－）+ c（OH－） |
相关试题
Charles was alone at home, with_______ looking after him.
| A．someone | B．anyone | C．not one | D．no one |
It is often ______ that human beings are naturally equipped to speak.
| A．said | B．to say | C．saying | D．being said |
I can’t leave. She told me that I ______ stay here until she comes back.
| A．can | B．must | C．will | D．may |
—— Do you mind my opening the window? It’s a bit hot in here.
—— ______ , as a matter of fact
| A．Go ahead | B．Yes, my pleasure |
C．Yes, I do | D．Come on |
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