| 单词 | acid-base indicator |
| 例句 | Explain why an acid-base indicator changes color over a range of pH values rather than at a specific pH. Chemistry 2019-02-14T00:00:00Z The equilibrium in a solution of the acid-base indicator methyl orange, a weak acid, can be represented by an equation in which we use HIn as a simple representation for the complex methyl orange molecule: Chemistry 2019-02-14T00:00:00Z |
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