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南師大js木蟲(chóng) (小有名氣)
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[求助]
coprecipitation 已有1人參與
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First, an aqueous solution containing appropriate quantities of Ca(NO3)2 and Cu(NO3)2 to obtain a total concentration of metal ions of 1.5M was prepared. Subsequently, a 2.0 M solution of Na2CO3 was added slowly to the stirred salt solution to precipitate out CaCO3 and Cu2NO3(OH)3. 各位大神,請(qǐng)問(wèn)這操作步驟中出現(xiàn)的M是什么意思。 |
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木蟲(chóng) (小有名氣)
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