During selection of indicator. We choose an indicator which have pH range equivalent to the pH change of reaction to give better result and better observation.
So there are some different indicator are used in table 2 as compared to the table 1.
- Alizarin and phenolphthalein are basic indicator and their pH range is more than 8 so they are used in table 2
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Answer:
I believe 11 is B 12 is C 13 is B and 14 is C
It's essentially another word for concentration, of the acid. e.g. "the molarity of the acid is 3moldm^-3"
