用0.1mol/L NaOH滴定0.1mol/L的盐酸,甲基橙和酚酞是否选用作指示剂?为什么。用0.01mol/L NaOH滴定0.01mol/L的盐酸,能用甲基橙(变色范围pH=3.1~4.4)作指示剂吗?为什么。能用酚酞(变色范围pH=8~10)作指示剂吗?为什么。如用0.1mol/LNaOH滴定0.1mol/L的乙酸(pK a =4.74),甲基橙和酚酞是否选?为什么。
【单选题】In order to grow , to travel new roads, people need to have a willingness to take risks, to confront the unknown, and to accept the possibility that they may “fail” at first. 为了成长,为了踏上新的人生旅途,人们需要勇于承担风...