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what are the expected impurities in acetophenetidin synthesis? and would these be seen in the spectra?
Explain 3-A 0.421 g sample of aspirin prepared in the laboratory is dissolved in 95% ethanol, diluted with water, and titrated to a phenolphthalein endpoint with 17.3 mL of 0.114 M NaOH. What is the percent purity of aspirin in the sample?
However, both qsolution and it can be either positive or negative numbers. Based on this a) If the solution cools down, is T a positive or negative number? Explain.
To what general class of mechanisms does the attack of bromide ion, Br-, on the cyclic bromonium ion
If the unknown had been acetaminophen, how much water would it take to dissolve 1.00 g of it in boiling water. Solubility: c.w. (1g/ 70 mL) b.w. (1g/ 20 mL)
The black silver sulfide discoloration of silverware can easily be removed by heating the silver article in a sodium carbonate solution in an aluminum pan.
What is the solubility of Ca(OH)2 in water, at the experimental temperature, in grams of Ca(OH)2 per 100 mL of solution?
Use the Frost Circle to draw the energy levels of the Pi molecular orbitals for this ion, show the electronic configuration and explain why the ion is aromatic.
A 4.10 g nugget of pure gold absorbed 274 J of heat. What was the final temperature of the gold if the initial temperature was 27.0°C? The specific heat of gold is 0.129 J/(g·°C).
A solution (S1) of yellow # 5 has an absorbance far outside the linear region of Beer's law. In order to determine the concentration of this solution
What is the de Broglie wavelength of a 145 g baseball traveling at 30.0 m/s (67.1mph)? Is the wavelength much larger or smaller than the diameter of an atom .
from the length of the magnessium ribbon (4.6 cm) and the mass of a metal of magnessium (0.77 g/m) determine the mass of Mg that reacted.
To creates a genetically modified transgenic goat that produce a protein that acts as a drug in its milk. The concentration of drug in the milk is 10 mM
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