配合物的稳定常数K稳为一不变的常数，它与溶液的酸度大小无关。
参考答案：对
— Where is the School English Speech Contest going to be held tonight?
— I’m not sure. Is it in the hall _____ can hold 300 people?
A．where
B．what
C．that
D．when
烷烃具有以下（）化学性质。
A.较好的化学稳定性
B.高闪点
C.较高的凝固点
D.高抗氧化性
