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Now calculate the volume percent and the proof of the ethanol in the unknown solution based on this mass percent. Use the graph from the Introduction that plots the density of ethanol solutions from 20 to 60 mass percent to answer the following questions:
Given a density of 0.789 g/mL, what would have been the volume of the ethanol in the original unknown?
Explain why Lewis dot structure for S2Cl2 IS Cl - S - S - Cl why does the two sulfurs have to be beside each other and the two chlorines have to be the first and last?
The Solubility of Mg(OH)2 (s) in wataer at a certain temperature is 1.0 x 10^-4 mol/L. Calculate the value of Ksp for Mg(OH)2 (s) at this temperature.
Draw the possible chair forms of cis and trans 1-isopropyl-3-methylcyclohexane. Are the two forms identical, enantiomeric, or diastereomeric?
A gas mixture composed of helium and argon has a density of 0.853g/L at a 745mmHg and 298K .What is the composition of the mixture by volume?
How many grams of glucose are in 100. rm mL of the final solution?
A second 20ml aliquot was mixed with 10ml of 50ppm quinine solution before dilution to 100ml. The flourescence intensity of this solution was 600. Calculate the concentration in ppm in the tablet.
Calculate the percent yield for an experiment in which 5.50 g of SOCl2 was obtained in a reaction of 5.80 g of SO2 with excess PCl5
Will there be any precipitate in the following situations? If so, then what compound will be the precipitate? Justify your answers. A) 23 micrograms of strontium chloride, SrCl2 is dissolved in 1.50L of 0.0088M ammonium fluoride, NH4F solution
Find the limiting reagent in this solution. b) Calculate the theoretical yield of water. c) Calculate the percent yield of water
Each of the following names is an incorrect IUPAC name. Indicate, if possible, the correct name of the compound. can you please explain why these names are not right
Hydrochloric acid B) Ammonium Hydroxide 2) Identify the geometry of the iron(III) complex in water and the complex ions produced in the above reactions
A solution is made by dissolving 15.5 grams of glucose (C6H12O6) in 245 grams of water. What is the freezing-point depression of the solvent if the freezing point constant is -1.86 °C/m?
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