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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.
If an electric car is capable of going 230. km on a single charge, how many charges will it need to travel from Boston, Massachusetts to Miami, Florida, a distance of 1486 mi, assuming that the trip begins with a full charge?
which of the following transition metal complexes is diamagnetic?
volume of 2.24 L at 288 K and 1.05 atm. Calculate the pressure when the volume is 1.19 L and the temperature is 303 K.
The lethal inhalation dose of sarin for a 200lb person has been determined to be 0.0015 mg. Determine the LD50 of sarin that researchers used to calculate this lethal inhalation dose.
Suppose a nearby storm passage causes the wind speed in the town to suddenly increase to 10.0m/s. What is the carbon monoxide concentration one hour later?
Compounds are always composed of two or more elements. Atoms of different elements are different. Isotopes have the same number of protons but a different number of neutrons.
How many grams of solid sodium phosphate, Na3PO4, are needed to prepare exactly 250ml of a 0.500M Na+ solution?
The water is analyzed and found to be 735 ppm in phosphate ion. What is the % phosphate ion in the dry detergent? What is the % phosphorus in the dry detergent? How many grams of phosphate are in the 300. g sample?
A 5.00-L reaction vessel contains hydrogen at a partial pressure of 0.588 atm and oxygen gas at a partial pressure of 0.302 atm. Which element is the limiting reactant in the following reaction? 2H2(g) + O2 (g) -> 2H2O(g)
A mouse is placed in a sealed chamber with air at 760.0 torr. This chamber is equipped with enough solid KOH to absorb any CO2 and H2O produced by the mouse
Compute the molecular formula of CH 3 COOH the percent composition of acetic acid is 39.99% C and 6.73% H. The remainder of the compound is oxygen.(The molar mass of acetic acid is 60.06 g/mol.)
We titrated each layer with 0.10 NaOH and found that 1. took 2.57 mL of NaOH to titrate and 2. took 0.08 mL of NaOH to titrate. What is the concentration of acid in 1 and 2?
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