Chemistry, 16.12.2020 20:00 Alex9089435028
Water is one of the most important resources for humans. Some areas are known to have no water shortages, where other areas are now suffering the scarcity of water. List some factors that change the distribution of water abundance. (written response)
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Chemistry, 22.06.2019 05:40
Salicylic acid is a very important acid. it is used to synthesize the aspirin by treating with acetic anhydride. a 0.2015-g sample of salicylic acid was dissolved in a 100.00-ml volumetric flask, and the solution was diluted to the mark. a 10-ml aliquot of this solution was titrated with standard naoh (0.01130 + 0.2% n) to a phenolphthalein faint pink color end point at 19.81 ml. (a) (calculate the normality of the salicylic acid solution used in the titration. (b) assuming the salicylic acid is pure, what is the equivalent weight of the salicylic acid? practice problems for the final exam (continued) (c) (calculate the inherent error in the determination of the equivalent weight you calculated in part (b). use the following absolute errors in the equipment /glassware when calculating the inherent error. 5.00-ml pipet: + 0.02 ml 100-ml volumetric flask: + 0.08 ml analytical balance: + 0.2 mg 25-ml buret: + 0.03 ml
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Chemistry, 22.06.2019 12:10
Building glycogen from glucose molecules is an example of
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Chemistry, 22.06.2019 14:30
What state of matter is ice a. liquid b. element c. solid d. gas
Answers: 1
Water is one of the most important resources for humans. Some areas are known to have no water short...
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