Compute the molality of the solution
Question: When 1.00 gram of reserpine is dissolved in 25.0 grams of camphor, the freezing point depression is 26.3 degrees C. Calculate the molality of the solution and the molar mass of reserpentine.
Now Priced at $20 (50% Discount)
Akyl halides tend to be relatively non-polar covalent compounds. They dissolve in non-polar solvents but are insoluble in water.
An 11.79 sample of mo2o3(s) is converted completely to another molybdenum oxide by adding oxygen. the new oxide has a mass of 12.578g. What is the Empirical formula of the new oxide
You need to make 1.00 kg of a 22.5% ammonium chloride solution. How many grams of ammonium chloride do you use? What volume of water will be used?
Infrared Spectroscopy Lab 1) Why must a sample for IR be dry. 2) How will the spectrum be affected if a background scan is omitted or improperly obtained. 3) The stretching from C-C single bonds is virtually invisible to IR . Why
The Ka of Hypochlorous, HClO acid is 3.5x10^-8. Calculate the ph of a solution at 25 C that is .005 M in HClO
If an electrode has a potential of -1.004 V with respect to a saturated calomel electrode, what is the potential with respect to a silver-silver chloride electrode
A sample of helium gas occupies 90L at 14 degrees Celsius and 0.956 atm. What volume (L) will it occupy at 155 degrees Celsius and 0.956 atm. Need to convert degress Celsius to Kalvin.
a) A particular chip snack food is composed of 11% protein, 10.% fat, and the rest carbohydrate. What percentage of the calorie content of this food is fat in%? b) How many grams of protein provide the same fuel value as 40. g of fat in g?
For each molecule below, specify the polarity of the bonds and the overall polarity of the molecule. Cl2Be, H20, O3
Ammonia rapidly reacts with HCl producing ammonium chloride. Calculate the number of grams of excess reactant when 7.5g NH3 reacts with 4.3g of HCl.
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!