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Gas chromatographic analysis of a mixture of organic compounds (GC-FID) gave the following results: hexane: 27%; heptane: 16%; hexanol: 18%; and toluene: 5%. The rests are solvent and impurities.
a. Calculate the weight percent composition of the mixture (hexane, heptanes, hexanol, and toluene).
b. Calculate the mole percent composition of the mixture.
one beaker contains pure water and the other beaker contains pure methanol at the same temperature. Which liquid has the higher surface tension and viscosity
20 ml Calcium Hydroxide solution was titrated with 9.8 ml 0.0105 M HCl in according to reaction: Ca(OH)2 + 2HCl ? CaCl2 + 2H2O The true value of solubility product constant (Ksp) of Ca(OH)2 at 25 C is 1.3x10-6. What is molar solubility of Ca(OH)2 in ..
we have a solution andnbsp 26.38 g sodium chloride in this solutionnbsp has a total volume of 1780 ml amp density
Cesium-131 is a short lived radioisotope (t1/2= 9.7 days) used to treat prostate cancer. How much theraputic strength does a Cesium-131 source lose over 60 days? Express your answer as a percent of the strength the source had at the begining of th..
What product do you get from the ozonolysis of 1,4-dimethylcyclohexene in the presence of Zn
Find the molecular, ionic, and net ionic equations for the following. Underline all solids. If no reaction occurs, complete the molecular and ionic equations, but wrtie "no reaction" in place of the net ionic equation.
C2H4 + 3O2 = 2CO2 + 2H2O If you start with 54 grams of ethylene (C2H4) how many grams of carbon dioxide will be produced?
What is the molarity of an aqueous solution containing 75.3 g of glucose (C6H12O6, mol wt = 180 g/mole) in 35.5 mL of solution
An amphoteric compound exhibits a. acidic properties b. acidic and basic properties c. metallic properties d
Draw an oxygen consumption cruve for a suspension of isolated mitochondria when the following compounds are added in the indicated order. With the addition of each compound all of the previously added compounds remain present.
A student is concentrating a solution having a polypeptide of modest molecular weight by pressure filtration through a membrane. The solute concentration on the feed side of the membrane is 0.10 M and the temperature is twenty five degree celsius.
The room temperature and pressure were 23.6 deg C and 763.4 mm Hg respectively. The residue had a mass of 3.1915 grams. What was the partial pressure of oxygen?
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