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Soluble aspirin consists of sodium acetyl salicylate ( the sodium salt of acetyl salicyclic acid). Acetyl salicyclic acid (aspirin) itself is insoluble in ice cold water. how would you precipitate acetyl salicyclic acid from an aqueous solution of sodium acetyl salicylate and what measures would you take to ensure complete precipitation?
A gas evolved during the fermentation of sugar was collected at 22.5°C and 702 mmHg. After purification its volume was found to be 25.0 L. How many moles of gas were collected?
Calculate the vapor pressure of water above a solution prepared by dissolving 36.0 g of glycerin (C3H8O3) in 120 g of water at 343 K. (The vapor pressure of water at 343 K is 233.7 torr.)
how does a water softener work chemically? What's better to drink tap water or bottle springwater and why?
a solution of ethanol c2h5oh in water is prepared by dissolving 57.0 ml of ethanol density 0.79 gcm3 in enough water
You need to use 0.050 moles of F- ions for an experiment. How many milliliters of a 2.6 M solution of SrF2 solution do you need in order to obtain 0.050 moles of F- ions
Which of the following statements concerning the complete hydrolysis of fats and oils is correct. fats produce more fatty acids per molecule than do oils
Assuming 100% yield, calculate the final concentrations of reactants and products. Calculate the pH of the final solution
calculate the standard reduction potential of Joaquium. Write reaction in cell notation form.
Determine the initial quality and temperature of the fluid mixture prior to heating. [quality x1 = 0.182, T1 = 113.3°C] b) Determine the final volume of the steam after heating. [0.546 m3 (546 liters)] Note: 1000 liters - 1 m3
HCN is a weak acid dissolved in water. (Ka=6.2x10^-10). If a 50.0mL sample of 0.100 M HCL is titrated with 0.100 M NaOH 1) what is the pH at the equivalence point
Refer to the Galvanic cel below (the contents of each half-cell are written beneath each compartment):
find the of X-281, you prepare a 0.075 test solution of X-281. The pH of the solution is determined to be 3.00. What is the of X-281?
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