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【Daily Question】Chemical Analysis Edition, 2021.10.3

2021-10-03View Original

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To standardize 0.100 mol/L hydrochloric acid using reference anhydrous sodium carbonate, it is appropriate to use ( ) as an indicator. A. Bromocresol green-methyl red B. Phenolphthalein C. Thymol blue D. Xylenol orange A

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