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