thymolphtalein什么意思?in the presence of 3 mL of 20% BaCl2 and thymolphtalein at 4% in ethanol

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thymolphtalein什么意思?in the presence of 3 mL of 20% BaCl2 and thymolphtalein at 4% in ethanol
thymolphtalein什么意思?in the presence of 3 mL of 20% BaCl2 and thymolphtalein at 4% in ethanol

thymolphtalein什么意思?in the presence of 3 mL of 20% BaCl2 and thymolphtalein at 4% in ethanol
Thymolphthalein 你少打个H
百里酚酞

thymol phthalein 麝香草脑酞
在乙醇里加入3毫升20%的氯化钙和4%的麝香草脑酞
大概是这个意思,你应该懂化学的,我不太懂