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O.125g等于多少mg

O.125g=125mg 1g=1000mg ----------------------------- 希望采纳,你的支持我们的动力!

(1)一支阿奇霉素o.125g,用5毫升水溶解! (2)抽出X毫升! 50 == 0.125*1000X/5 (3) X == 2毫升

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