英语翻译好多术语不知道怎么翻译,请见谅!Ireallyhavenocluewheretobegin.Anyhelpwillbegreatlyappreciated!ThanksMassofpureacetylsalicylicacid(ASA):0.505gDilutionAbsorbance(a.u.)2:110.1494:110.2536:110.4148:110.5

题目详情

英语翻译
好多术语不知道怎么翻译,请见谅!
I really have no clue where to begin.Any help will be greatly appreciated!Thanks
Mass of pure acetylsalicylic acid (ASA) :0.505 g
Dilution Absorbance (a.u.)
2:11 0.149
4:11 0.253
6:11 0.414
8:11 0.518
10:11 0.676
Mass of tablet :0.361 g
Absorbance read on the Spec 20 :0.323 a.u.
Concentration of the solution :0.000493 M
Using reverse dilution,calculate the concentration of the tablet in the 100 mL diluted solution.Answer in (M)?
Calculate the number of moles in the 100 mL diluted solution?
Calculate the mass (g) in the 100mL diluted solution?
Determine the mass of ASA in 250 mL?
Determine the % of ASA in the tablet?
Determine the number of grains of ASA?

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答案和解析

应该是大学分析化学问题.题意我懂.主要是应用朗伯比尔定律.有一点不明：逆稀释时是把0.505 g纯ASA与 0.361 g药片混匀配成100ml溶液吗?

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