http://s7.postimage.org/gv1vcr3sb/item21.png
There's the question. You also need to know that Phenolphthalein's effect pH range is 8.2-10.
From their answer, isn't it a good indicator?
There's the question. You also need to know that Phenolphthalein's effect pH range is 8.2-10.
From their answer, isn't it a good indicator?